NINE LESS B-Boost 10% Niacinamide serum

NINE LESS B-Boost 10% Niacinamide serum

Efficacy100/100IrritancyMedium

Works for

Moisturizing
Niacinamide, Panthenol + 17 more
Works well

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: arginine, betaine.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: arginine, caprylyl glycol.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: acetyl hexapeptide-8, hexapeptide-9, niacinamide, nonapeptide-1, palmitoyl pentapeptide-4, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1, panthenol

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~5.5–6.8%
PanthenolHero· HumectantEffect: HighHelps attract water to the upper layer of the skin and can help improve skin barrier function~2.4–2.9%
Palmitoyl tripeptide-1Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Palmitoyl tetrapeptide-7Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Palmitoyl pentapeptide-4HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Hexapeptide-9Hero· HumectantEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Acetyl hexapeptide-8Hero· HumectantEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.1–0.15%
Nonapeptide-1HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.05–0.15%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~3.1–3.7%
Tranexamic acidKey activeEffect: HighAn amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally~1.9–2.4%
GlutathioneKey activeEffect: HighA peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin~0.6–0.95%
ArginineKey active· Humectant, OcclusiveEffect: HighAn amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin~0.5–0.7%
BetaineKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and improves the product texture~0.35–0.6%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.2–0.4%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.55–0.85%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.55–0.85%
Scutellaria baicalensis root extract· HumectantEffect: LowA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties~0.25–0.5%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.5–0.75%
Dipotassium glycyrrhizateUnder-dosedA salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening~0.25–0.45%
Evens skin tone
Niacinamide, Tranexamic acid + 3 more
Works well
What the product description says
“Contains 10% Niacinamide improves uneven tones and minimizes enlarged pores with Vitamin B.”
Source: Lila Beauty

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: glutathione, niacinamide, tranexamic acid

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually can help even out the skin tone: ascorbyl glucoside.

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~5.5–6.8%
Tranexamic acidKey activeEffect: HighAn amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally~1.9–2.4%
Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~1.3–1.6%
GlutathioneKey activeEffect: HighA peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin~0.6–0.95%
Dipotassium glycyrrhizateEffect: Low, below effective doseA salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening~0.25–0.45%
Anti-blemish
Niacinamide
Works well

This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide. This ingredient is used for treating acne and can have a noticeable effect.

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~5.5–6.8%
Anti-aging
Side benefit · Niacinamide, Ascorbyl glucoside + 7 more
Works well

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains niacinamide.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: acetyl hexapeptide-8, ascorbyl glucoside, hexapeptide-9, nonapeptide-1, palmitoyl pentapeptide-4, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~5.5–6.8%
Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~1.3–1.6%
Palmitoyl tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Palmitoyl pentapeptide-4Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Palmitoyl tetrapeptide-7Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Hexapeptide-9Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Acetyl hexapeptide-8Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.1–0.15%
Nonapeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.05–0.15%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.5–0.75%
Anti-oxidation
Side benefit · Ascorbyl glucoside, Glutathione + 4 more
Works well

This product contains antioxidants (glutathione) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

The following ingredients - ascorbyl glucoside also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~1.3–1.6%
GlutathioneKey activeEffect: HighA peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin~0.6–0.95%
Scutellaria baicalensis root extractEffect: LowA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties~0.25–0.5%
Coptis chinensis root extractEffect: LowA plant extract that might have antioxidant properties~0.25–0.5%
BisabololEffect: Low, below effective doseAn active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties~0.25–0.45%
TocopherolUnder-dosedPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.5–0.75%

Can it cause trouble?

Irritancy
11 flagged ingredients
Medium risk
We flagged 11 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Scutellaria baicalensis root extractA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant propertiesHigh~0.25–0.5%est.
Coptis chinensis root extractA plant extract that might have antioxidant propertiesHigh~0.25–0.5%est.
MethylpropanediolHelps dissolve other ingredients in a formulationMedium~4.2–5.2%est.
1,2-hexanediolA preservativeMedium~0.75–1.15%est.
Ascorbyl glucosideA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in productsMedium~1.3–1.6%est.
HydroxyacetophenoneUsed to increase effectiveness of preservativesMedium~0.75–1.1%est.
GlutathioneA peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skinMedium~0.6–0.95%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.55–0.85%est.
Disodium edtaStabilizes the product formulationMedium~0.4–0.6%est.
Phellodendron amurense bark extractA plant extract that might have an anti-inflammatory effectMedium~0.3–0.6%est.
EthylhexylglycerinA preservativeMedium~0.2–0.35%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Niacinamide~5.5–6.8%
Hero · Moisturizing, Anti-blemish
Irritation risk
Low
Works for
Evens skin toneAnti-blemishAnti-agingMoisturizingReduces irritationAntibacterialReduces rednessAnti-inflammatory

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
Methylpropanediol~4.2–5.2%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol
Glycerin~3.1–3.7%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Panthenol~2.4–2.9%
Hero · Moisturizing
Irritation risk
Low
Works for
Reduces rednessMoisturizingReduces irritation

Helps attract water to the upper layer of the skin and can help improve skin barrier function

More about Panthenol
Tranexamic acid~1.9–2.4%
Key active
Irritation risk
Low
Works for
MoisturizingEvens skin tone

An amino acid that is effective in reducing hyperpigmentation and evening out the skin tone. It can also help in skin barrier recovery. It is used to treat melasma, especially with injections and when taken orally

More about Tranexamic acid
1,2-hexanediol~0.75–1.15%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Hippophae rhamnoides extract~1.4–1.8%
Formula
Ascorbyl glucoside~1.3–1.6%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-agingEvens skin tone

A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products

More about Ascorbyl glucoside
Dipropylene glycol~0.95–1.2%
Formula
Irritation risk
Low

Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying

More about Dipropylene glycol
Hydroxyacetophenone~0.75–1.1%
Irritant · medium
Irritation risk
Medium

Used to increase effectiveness of preservatives

More about Hydroxyacetophenone
Glutathione~0.6–0.95%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationMoisturizingEvens skin tone

A peptide that can help neutralize free radicals in skin and reduce melanin production resulting in skin lightening effect and reduction in hyperpigmentation. It can also help attract moisture to the upper layer of the skin

More about Glutathione
Butylene glycol~0.55–0.85%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Caprylyl glycol~0.55–0.85%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Carbomer~0.5–0.75%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Arginine~0.5–0.7%
Key active
Irritation risk
Low
Works for
Moisturizing

An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin

More about Arginine
Tocopherol~0.5–0.75%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-agingMoisturizingAnti-inflammatory

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Glycereth-26~0.45–0.65%
Formula
Irritation risk
Low

Helps create a thicker product consistency

More about Glycereth-26
Disodium edta~0.4–0.6%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Betaine~0.35–0.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and improves the product texture

More about Betaine
Phellodendron amurense bark extract~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Anti-inflammatory

A plant extract that might have an anti-inflammatory effect

More about Phellodendron amurense bark extract
Astragalus membranaceus root extract~0.35–0.6%
Formula
Scutellaria baicalensis root extract~0.25–0.5%
Irritant · high
Irritation risk
High
Works for
AntibacterialAnti-oxidationMoisturizingReduces irritationAnti-inflammatory

A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties

More about Scutellaria baicalensis root extract
Coptis chinensis root extract~0.25–0.5%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that might have antioxidant properties

More about Coptis chinensis root extract
Bisabolol~0.25–0.45%
Formula
Irritation risk
Low
Works for
Anti-inflammatoryReduces irritationAnti-oxidation

An active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties

More about Bisabolol
Dipotassium glycyrrhizate~0.25–0.45%
Under-dosed
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryEvens skin tone

A salt derived from licorice. Works as an emollient to soften the upper layer of the skin and can help calm down inflammation. Might be helpful for skin lightening

More about Dipotassium glycyrrhizate
Sodium hyaluronate~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Ethylhexylglycerin~0.2–0.35%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Hexapeptide-9~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Hexapeptide-9
Palmitoyl pentapeptide-4~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl pentapeptide-4
Palmitoyl tripeptide-1~0.2–0.35%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-1
Palmitoyl tetrapeptide-7~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tetrapeptide-7
Acetyl hexapeptide-8~0.1–0.15%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Acetyl hexapeptide-8
Nonapeptide-1~0.05–0.15%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Nonapeptide-1
Ingredient list view

Water, Niacinamide, Methylpropanediol, Glycerin, Panthenol, Tranexamic acid, 1,2-hexanediol, Hippophae rhamnoides extract, Ascorbyl glucoside, Dipropylene glycol, Hydroxyacetophenone, Glutathione, Butylene glycol, Caprylyl glycol, Carbomer, Arginine, Tocopherol, Glycereth-26, Disodium edta, Betaine, Phellodendron amurense bark extract, Astragalus membranaceus root extract, Scutellaria baicalensis root extract, Coptis chinensis root extract, Bisabolol, Dipotassium glycyrrhizate, Sodium hyaluronate, Ethylhexylglycerin, Hexapeptide-9, Palmitoyl pentapeptide-4, Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7, Acetyl hexapeptide-8, Nonapeptide-1

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Retailers ranked by price — lowest first.

🇦🇺 Lila Beauty (AU)30 ml
≈ $14.22 Out of stock
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🇫🇷 Koshi Cosmetics (FR)
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
NINE LESSB-Boost 10% Niacinamide serumYOUR PRODUCTRNWConcentrate Niacinamide PlusMatkasHyaluronic Acid Firming Boost SerumUSOLABBio Brightening Bleaching Ampoule
Match—91%90%89%
Price—$23.07$24.53—
Shared key ingredients—11 of 1810 of 1814 of 18
Key difference—Tripeptide-1Tripeptide-1Hexapeptide-11
Irritancy Medium Medium Medium Medium
Drying alcohol— Contains drying alcohol ——
View product Shop Shop Shop

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Product summary

"NINE LESS - B-Boost 10% Niacinamide serum" is effective for: Anti-aging, Anti-blemish, Moisturizing and Evens skin tone

Ingredient callouts

  • A good concentration of Niacinamide (5.50% - 6.70%). Niacinamide is a well-studied multi-tasking active. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and improve the skin tone, reducing pigmentation marks.
  • Peptides (nonapeptide-1 0.05% - 0.15%, acetyl hexapeptide-8 0.10% - 0.15%, palmitoyl tetrapeptide-7 0.15% - 0.30%, palmitoyl tripeptide-1 0.20% - 0.35%, palmitoyl pentapeptide-4 0.15% - 0.30% and hexapeptide-9 0.15% - 0.30%). There are many different kind of Peptides and they are naturally present in our skin. They all are a combination of aminoacids. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The science is still not settled on how effective Peptides are in skincare, but it is very likely that they have a benefit. They might help restore the skin barrier and fight the signs of aging. At the very least, Peptides work as humectants: they attract water to the upper layer of the skin and improve its hydration.
  • Panthenol (pro-vitamin B5) at about 2.40% - 2.90% concentration. In this concentration, Panthenol works effectively to improve the skin barrier and reduce inflammation.
  • Humectants (acetyl hexapeptide-8 0.10% - 0.15%, hexapeptide-9 0.15% - 0.30%, sodium hyaluronate 0.20% - 0.40%, betaine 0.35% - 0.60%, arginine 0.50% - 0.70%, panthenol 2.40% - 2.90% and glycerin 3.10% - 3.70%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 29 studies and safety reviews.

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NINE LESS B-Boost 10% Niacinamide serum
NINE LESSB-Boost 10% Niacinamide serum

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

As an Amazon Associate, WIMJ earns from qualifying purchases.