GUERLAIN

GUERLAIN L'Or 24K Gold Radiance Primer

Name: GUERLAIN - L'Or 24K Gold Radiance Primer
Brand: GUERLAIN

Efficacy37/100IrritancyMedium

See all ingredients

Works for

Moisturizing

Glycerin, Polyglycerin-3 + 10 more

Works

What the product description says

“What it is: This lightweight, gel primer infused with pure 24 Karat gold flakes infuses the skin with hydration and radiance while allowing for a longer-lasting makeup result.”

Source: Sephora CA

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": betaine, glycerin.

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. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

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~3.7–5.6%

Polyglycerin-3Key active· HumectantEffect: HighHelps to attract water to the upper layer of the skin~2.1–3.1%

Alpha-glucan oligosaccharideKey activeEffect: HighHelps attract water to the upper layer of the skin~1.5–2.3%

BetaineKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and improves the product texture~0.6–1.4%

Polyglyceryl-10 oleateKey activeEffect: MediumHelps soften the upper layer of the skin~0.4–0.95%

Glyceryl acrylate/acrylic acid copolymerKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency~0.35–0.8%

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.1–0.4%

LactobacillusKey activeEffect: HighA non-living ingredient made by fermentation with the bacteria Lactobacillus. It can help attract water to the upper layer of the skin and might help reduce inflammation~0.05–0.15%

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~2.7–4.1%

Sorbitol· HumectantEffect: LowHelps attract water to the upper layer of the skin and improves the product texture~1.7–2.5%

Polyglyceryl-10 stearateEffect: LowHelps water and oil mix together and softens the upper layer of the skin~0.5–1.15%

Polymnia sonchifolia root juiceEffect: LowA plant extract that helps attract water to the upper layer of the skin and might have some anti-oxidant properties~0.15–0.6%

Anti-aging

No ingredient credited for this claim

Not delivered

What the product description says

“What Else You Need to Know: This luxurious and hydrating gel primer seamlessly melts into the skin to provide a more even and long-lasting finish under makeup, to smooth the appearance of fine lines, and to tighten skin.”

Source: Sephora CA

Effective ingredients missing or their concentration is too low.

Can it cause trouble?

Irritancy

2 strong irritants: Alcohol, Parfum

Medium risk

We flagged 9 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

AlcoholCan be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial propertiesHigh~7.3–11%est.

ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.15–0.6%est.

Polymnia sonchifolia root juiceA plant extract that helps attract water to the upper layer of the skin and might have some anti-oxidant propertiesHigh~0.15–0.6%est.

HydroxyacetophenoneUsed to increase effectiveness of preservativesMedium~1.2–1.8%est.

ChlorphenesinA preservativeMedium~0.16–0.32%est.

Polyglyceryl-10 stearateHelps water and oil mix together and softens the upper layer of the skinMedium~0.5–1.15%est.

Glyceryl acrylate/acrylic acid copolymerHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistencyMedium~0.35–0.8%est.

Polyvinyl alcoholHelps improve the product textureMedium~0.15–0.6%est.

GoldA colorant. Does not have any proven benefits in skinMedium~0.05–0.3%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~40–60%

Formula

Irritation risk: Low

Plain old water

More about Water

Alcohol~7.3–11%

Irritant · high

Irritation risk: High

Works for

Antibacterial

Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties

More about Alcohol

Glycerin~3.7–5.6%

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

Butylene glycol~2.7–4.1%

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

Polyglycerin-3~2.1–3.1%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps to attract water to the upper layer of the skin

More about Polyglycerin-3

Sorbitol~1.7–2.5%

Formula

Irritation risk: Low

Works for

Moisturizing

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

More about Sorbitol

Alpha-glucan oligosaccharide~1.5–2.3%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps attract water to the upper layer of the skin

More about Alpha-glucan oligosaccharide

Hydroxyacetophenone~1.2–1.8%

Irritant · medium

Irritation risk: Medium

Used to increase effectiveness of preservatives

More about Hydroxyacetophenone

Chlorphenesin~0.16–0.32%

Irritant · medium

Irritation risk: Medium

A preservative

More about Chlorphenesin

Betaine~0.6–1.4%

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

Polyglyceryl-10 stearate~0.5–1.15%

Irritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps water and oil mix together and softens the upper layer of the skin

More about Polyglyceryl-10 stearate

Polyglyceryl-10 oleate~0.4–0.95%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps soften the upper layer of the skin

More about Polyglyceryl-10 oleate

Glyceryl acrylate/acrylic acid copolymer~0.35–0.8%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency

More about Glyceryl acrylate/acrylic acid copolymer

Carbomer~0.35–0.75%

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

Ammonium acryloyldimethyltaurate/vp copolymer~0.3–0.7%

Formula

Irritation risk: Low

Increases thickness of a product. Texture enhancer for oil-in-water emulsions

More about Ammonium acryloyldimethyltaurate/vp copolymer

Parfum~0.15–0.6%

Irritant · high

Irritation risk: High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum

Polymnia sonchifolia root juice~0.15–0.6%

Irritant · high

Irritation risk: High

Works for

Moisturizing

A plant extract that helps attract water to the upper layer of the skin and might have some anti-oxidant properties

More about Polymnia sonchifolia root juice

Polyvinyl alcohol~0.15–0.6%

Irritant · medium

Irritation risk: Medium

Helps improve the product texture

More about Polyvinyl alcohol

Maltodextrin~0.1–0.5%

Formula

Irritation risk: Low

Works for

Mattifying

Used to stabilize the product formulation and can help absorb oil

More about Maltodextrin

Sodium hyaluronate~0.1–0.4%

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

Cellulose gum~0.1–0.35%

Formula

Irritation risk: Low

Used to create thicker product consistency and stabilize emulsions

More about Cellulose gum

Gold~0.05–0.3%

Irritant · medium

Irritation risk: Medium

A colorant. Does not have any proven benefits in skin

More about Gold

Sodium hydroxide~0.05–0.25%

Formula

Irritation risk: Low

Used to adjust the product's pH

More about Sodium hydroxide

Prunus cerasus flower extract~0.05–0.2%

Formula

Irritation risk: Low

More about Prunus cerasus flower extract

Lactobacillus~0.05–0.15%

Key active

Irritation risk: Low

Works for

Moisturizing

A non-living ingredient made by fermentation with the bacteria Lactobacillus. It can help attract water to the upper layer of the skin and might help reduce inflammation

More about Lactobacillus

Ingredient list view

Water, Alcohol, Glycerin, Butylene glycol, Polyglycerin-3, Sorbitol, Alpha-glucan oligosaccharide, Hydroxyacetophenone, Chlorphenesin, Betaine, Polyglyceryl-10 stearate, Polyglyceryl-10 oleate, Glyceryl acrylate/acrylic acid copolymer, Carbomer, Ammonium acryloyldimethyltaurate/vp copolymer, Parfum, Polymnia sonchifolia root juice, Polyvinyl alcohol, Maltodextrin, Sodium hyaluronate, Cellulose gum, Gold, Sodium hydroxide, Prunus cerasus flower extract, Lactobacillus

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🇨🇦 Sephora CA (CA)

≈ $72.16

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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
	GUERLAINL'Or 24K Gold Radiance PrimerYOUR PRODUCT	Estée LauderFuturist Aqua Brilliance™ Watery Glow Primer	TulaPrime of Your Life Smoothing & Firming Treatment Primer	StilaOne Step Prime
Match	—	34%	30%	29%
Price	—	$18.00	—	$32.12
Shared key ingredients	—	3 of 7	4 of 7	3 of 7
Key difference	—	Ascorbyl Glucoside	Niacinamide	Retinyl Palmitate
Irritancy	Medium	Medium	Medium	Medium
Drying alcohol	Contains drying alcohol	—	—	—
	View product	Shop	Shop	Shop

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 4 studies and safety reviews.

1
Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
2
Safety Assessment of Polyglyceryl Fatty Acid Esters as Used in Cosmeticscir-safety.org
3
Hyaluronic acid: A key molecule in skin agingncbi.nlm.nih.gov
4
Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin careresearchgate.net

GUERLAINL'Or 24K Gold Radiance Primer

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As an Amazon Associate, WIMJ earns from qualifying purchases.