Leahlani Skincare Siren Brightening Serum

Leahlani Skincare Siren Brightening Serum

Efficacy37/100IrritancyHigh

Works for

Anti-aging
Tocopherol
May help
What the product description says
“Organic spirulina extract is loaded with an abundance of proteins and amino acids that help mitigate premature ageing, acne, redness and uneven skin tone”
Source: Naturisimo

This product contains tocopherol. This ingredient help neutralize free radicals in skin. By doing so, they might be able to prevent early signs of aging (like fine lines and wrinkles), at least to some extent. These ingredients will not be able to "reverse" signs of aging.

TocopherolEffect: LowPure 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~3.3–4.9%
Moisturizing
Simmondsia chinensis seed oil, Hippophae rhamnoides oil + 4 more
Works
What the product description says
“Organic jojoba oil is lightweight, easily absorbed, deeply moisturising and non-clogging”
Source: Naturisimo

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: helianthus annuus seed oil, simmondsia chinensis seed oil.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

Simmondsia chinensis seed oilKey active· Emollient, OcclusiveEffect: HighSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.~25–37%
Hippophae rhamnoides oilKey active· EmollientEffect: HighA good emollient. Contains various ingredients including vitamins and fatty acids that could work in the skin to neutralize free radicals and minimize moisture loss - if enough of these compounds is able to penetrate the skin in an active form.~5.7–8.5%
Helianthus annuus seed oilKey active· Emollient, OcclusiveEffect: HighA great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function~2.6–3.9%
Spirulina platensis extractKey activeEffect: MediumAn algae extract. Might help to attract water to the upper layer of the skin and have an anti-oxidant effect~0.05–0.25%
TocopherolEffect: LowPure 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~3.3–4.9%
Rosa damascena flower oilEffect: LowUsed as a fragrance. Can be irritating~0.1–0.4%
Evens skin tone
No ingredient credited for this claim
Not delivered
What the product description says
“Beautifully absorbent, it will leave your complexion fresh, vibrant and more even-toned.”
Source: Naturisimo

Effective ingredients missing or their concentration is too low

Anti-blemish
No ingredient credited for this claim
Not delivered
What the product description says
“Organic spirulina extract is loaded with an abundance of proteins and amino acids that help mitigate premature ageing, acne, redness and uneven skin tone”
Source: Naturisimo

Effective ingredients missing or their concentration is too low.

Anti-oxidation
Side benefit · Tocopherol, Hippophae rhamnoides oil + 3 more
Works well

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

TocopherolKey activeEffect: HighPure 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~3.3–4.9%
Hippophae rhamnoides oilEffect: LowA good emollient. Contains various ingredients including vitamins and fatty acids that could work in the skin to neutralize free radicals and minimize moisture loss - if enough of these compounds is able to penetrate the skin in an active form.~5.7–8.5%
Daucus carota sativa seed oilEffect: LowA plant oil that might help neutralize free radicals and have an anti-bacterial effect~0.15–0.65%
Spirulina platensis extractEffect: LowAn algae extract. Might help to attract water to the upper layer of the skin and have an anti-oxidant effect~0.05–0.25%
Anthemis nobilis flower oilEffect: Low, below effective doseAn essential oil that is used as a fragrance and can be irritating. It might have some anti-oxidant effect in skin~0.45–1.1%

Can it cause trouble?

Irritancy
14 strong irritants: Citrus sinensis peel oil expressed, Cymbopogon martini herb oil + 12 more — patch-test recommended
High risk
We flagged 17 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Hippophae rhamnoides oilA good emollient. Contains various ingredients including vitamins and fatty acids that could work in the skin to neutralize free radicals and minimize moisture loss - if enough of these compounds is able to penetrate the skin in an active form.High~5.7–8.5%est.
Cymbopogon martini herb oil—High~1.9–2.9%est.
Cananga odorata flower oilAn essential oil. Can be irritatingHigh~1.2–1.8%est.
Pelargonium graveolens leaf oilAn essential oil used as a fragrance. Can be irritatingHigh~1–1.5%est.
Citrus paradisi peel oilUsed as a fragrance. Can be irritatingHigh~0.6–1.4%est.
Anthemis nobilis flower oilAn essential oil that is used as a fragrance and can be irritating. It might have some anti-oxidant effect in skinHigh~0.45–1.1%est.
Pogostemon cablin leaf oilUsed as a fragranceHigh~0.4–0.95%est.
Salvia sclarea flower oil—High~0.35–0.8%est.
Aniba rosaeodora wood oil—High~0.2–0.75%est.
Citrus nobilis peel oilA plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skinHigh~0.3–0.75%est.
Citrus reticulata peel oilAn essential oil used for fragrance. Can be an allergen and irritantHigh~0.15–0.6%est.
Citrus aurantium amara flower oilUsed as a fragrance. Can be irritatingHigh~0.15–0.6%est.
Boswellia carterii resin extractUsed as a fragranceHigh~0.15–0.6%est.
Rosa damascena flower oilUsed as a fragrance. Can be irritatingHigh~0.1–0.4%est.
Rosa damascena flower extractUsed as a fragrance. Can be irritatingHigh~0.05–0.3%est.
Simmondsia chinensis seed oilSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.Medium~25–37%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Spirulina platensis extractAn algae extract. Might help to attract water to the upper layer of the skin and have an anti-oxidant effect3/5~0.05–0.25%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Simmondsia chinensis seed oil~25–37%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Softens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.

More about Simmondsia chinensis seed oil
Hippophae rhamnoides oil~5.7–8.5%
Key activeIrritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

A good emollient. Contains various ingredients including vitamins and fatty acids that could work in the skin to neutralize free radicals and minimize moisture loss - if enough of these compounds is able to penetrate the skin in an active form.

More about Hippophae rhamnoides oil
Citrus sinensis peel oil expressed~4.5–6.8%
Irritant · high
Tocopherol~3.3–4.9%
Key active
Irritation risk
Low
Works for
Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

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
Helianthus annuus seed oil~2.6–3.9%
Key active
Irritation risk
Low
Works for
Moisturizing

A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function

More about Helianthus annuus seed oil
Cymbopogon martini herb oil~1.9–2.9%
Irritant · high
Lavandula angustifolia angustifolia herb oil~1.5–2.2%
Formula
Cananga odorata flower oil~1.2–1.8%
Irritant · high
Irritation risk
High

An essential oil. Can be irritating

More about Cananga odorata flower oil
Pelargonium graveolens leaf oil~1–1.5%
Irritant · high
Irritation risk
High

An essential oil used as a fragrance. Can be irritating

More about Pelargonium graveolens leaf oil
Citrus paradisi peel oil~0.6–1.4%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating

More about Citrus paradisi peel oil
Anthemis nobilis flower oil~0.45–1.1%
Irritant · high
Irritation risk
High
Works for
Anti-oxidationAnti-inflammatory

An essential oil that is used as a fragrance and can be irritating. It might have some anti-oxidant effect in skin

More about Anthemis nobilis flower oil
Pogostemon cablin leaf oil~0.4–0.95%
Irritant · high
Irritation risk
High

Used as a fragrance

More about Pogostemon cablin leaf oil
Salvia sclarea flower oil~0.35–0.8%
Irritant · high
Eriocephalus punctulatus oil~0.35–0.75%
Formula
Aniba rosaeodora wood oil~0.2–0.75%
Irritant · high
Citrus nobilis peel oil~0.3–0.75%
Irritant · high
Irritation risk
High

A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin

More about Citrus nobilis peel oil
Citrus reticulata peel oil~0.15–0.6%
Irritant · high
Irritation risk
High

An essential oil used for fragrance. Can be an allergen and irritant

More about Citrus reticulata peel oil
Citrus aurantium amara flower oil~0.15–0.6%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating

More about Citrus aurantium amara flower oil
Boswellia carterii resin extract~0.15–0.6%
Irritant · high
Irritation risk
High

Used as a fragrance

More about Boswellia carterii resin extract
Cistus ladaniferus leaf oil~0.1–0.45%
Formula
Daucus carota sativa seed oil~0.15–0.65%
Formula
Irritation risk
Low
Works for
Anti-oxidationAntibacterial

A plant oil that might help neutralize free radicals and have an anti-bacterial effect

More about Daucus carota sativa seed oil
Matricaria recutita flower oil~0.1–0.35%
Formula
Rosa damascena flower oil~0.1–0.4%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Used as a fragrance. Can be irritating

More about Rosa damascena flower oil
Rosa damascena flower extract~0.05–0.3%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating

More about Rosa damascena flower extract
Spirulina platensis extract~0.05–0.25%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidation

An algae extract. Might help to attract water to the upper layer of the skin and have an anti-oxidant effect

More about Spirulina platensis extract
Ingredient list view

Simmondsia chinensis seed oil, Hippophae rhamnoides oil, Citrus sinensis peel oil expressed, Tocopherol, Helianthus annuus seed oil, Cymbopogon martini herb oil, Lavandula angustifolia angustifolia herb oil, Cananga odorata flower oil, Pelargonium graveolens leaf oil, Citrus paradisi peel oil, Anthemis nobilis flower oil, Pogostemon cablin leaf oil, Salvia sclarea flower oil, Eriocephalus punctulatus oil, Aniba rosaeodora wood oil, Citrus nobilis peel oil, Citrus reticulata peel oil, Citrus aurantium amara flower oil, Boswellia carterii resin extract, Cistus ladaniferus leaf oil, Daucus carota sativa seed oil, Matricaria recutita flower oil, Rosa damascena flower oil, Rosa damascena flower extract, Spirulina platensis extract

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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
Leahlani SkincareSiren Brightening SerumYOUR PRODUCT100% PUREBakuchiol Oil SerumPureanceCellular Restore SerumJosh RosebrookActive Infusion Oil
Match—41%40%39%
Price—$47.00$49.00$68.00
Shared key ingredients—3 of 44 of 43 of 4
Key difference—BakuchiolMalva Sylvestris Leaf ExtractHydroxypinacolone Retinoate
Irritancy High Low Low Medium
Drying alcohol————
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Leahlani Skincare Siren Brightening Serum
Leahlani SkincareSiren Brightening Serum

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

As an Amazon Associate, WIMJ earns from qualifying purchases.