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YOUTH LAB. Age Defense Watery Sunscreen SPF 50
YOUTH LAB.

Age Defense Watery Sunscreen SPF 50

SPF 50
Our score 78.8 / 100

Multiple fragrance allergens raise tolerance concerns; late-listed ethanol does not establish a high level. Esters and film former suggest light wear; no use-level health harm is established.

Invisible No white cast — chemical/hybrid filters that straight-up disappear on skin. Unknown
03 The facts, at a glance
Protection
Filter type Mineral filters (zinc oxide, titanium dioxide) sit on skin and reflect UV. Chemical filters absorb UV. Hybrid runs both.
Chemical
Broad spectrum Covers both UVA and UVB. UVA drives aging and deeper damage; UVB gives you burns.
Yes
Formulation & feel
Texture How it feels going on — milk, gel, cream, spray, stick, essence, lotion, powder, or cushion.
Cream
Finish How it looks once dry: matte, natural, dewy, or glowy.
Natural
Tinted Adds sheer pigment (iron oxides) that masks the white cast common to mineral filters and gives a skin-tone finish.
No
fragrance-free No synthetic perfume added. Not FDA-defined in the US; the EU requires 'Parfum' + the 26 named allergens on the label. 'Unscented' is different — it can hide masking fragrance. Botanical oils still scent.
No
Alcohol-free No drying short-chain alcohols (alcohol denat., SD alcohol, ethanol). Doesn't mean fatty alcohols like cetyl or stearyl — those are emollients.
No
Where to buy it
YesStyle US In stock
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78.8
Composite score · independent
Ranks #1493 of 1759 in the current catalogue. Multiple fragrance allergens raise tolerance concerns; late-listed ethanol does not establish a high level. Esters and film former suggest light wear; no use-level health harm is established.
Composite is a weighted blend: UV 25% · Modernity 10% · Sensitivity 15% · Environment 10% · Elegance 15% · Health 25%. That's the recipe.
The score breakdown
UV protection How hard it blocks UVA + UVB across the spectrum at the stated SPF/PA. 84
Filter modernity Dings legacy filters (octinoxate, oxybenzone); rewards photostable next-gen ones. 69
Sensitivity safety Risk for reactive skin — fragrance, alcohol, and known sensitisers. 60
Reef / env. safety Reef toxicity plus how biodegradable the UV filters and surfactants are. 65
Cosmetic elegance Spread, finish, white-cast, and how it actually feels on skin. 86
Health safety Endocrine concerns and systemic absorption signals across the whole formula. 90
02 Composition · key UV filters 8 filters resolved
UVA-I 340–400nm UVA-I (340–400nm) — covered UVA-II 320–340nm UVA-II (320–340nm) — covered UVB 290–320nm UVB (290–320nm) — covered
Octocrylene Legacy Older organic filter. Photostable in combination; some literature concerns.
Uvinul A Plus Modern Next-gen photostable filter; low irritation profile.
Octisalate Legacy Older organic filter. Photostable in combination; some literature concerns.
Octinoxate Legacy Older organic filter. Photostable in combination; some literature concerns.
PBSA Legacy Older organic filter. Photostable in combination; some literature concerns.
Uvinul T 150 Modern Next-gen photostable filter; low irritation profile.
Bemotrizinol Modern Next-gen photostable filter; low irritation profile.
Avobenzone Legacy Older organic filter. Photostable in combination; some literature concerns.
04 Full ingredient list (INCI) 52 ingredients
MODERN FILTER 3 LEGACY FILTER 5 MINERAL FILTER 0 ADDED FRAGRANCE 1 NATURAL FRAGRANCE 9 ALCOHOL 1 WATCH 1 ACTIVE 3
Aqua·Dibutyl Adipate· Octocrylene Octocrylene — degrades to benzophenone over time. · Diethylamino Hydroxybenzoyl Hexyl Benzoate Uvinul A Plus — modern photostable UVA filter. · Ethylhexyl Salicylate Octisalate — older filter; well-tolerated. ·Butylene Glycol Dicaprylate/Dicaprate· Ethylhexyl Methoxycinnamate Octinoxate — endocrine-disruption literature. · Phenylbenzimidazole Sulfonic Acid PBSA ·C12-15 Alkyl Benzoate· Ethylhexyl Triazone Uvinul T 150 — high-efficiency UVB filter. ·Trilaureth-4 Phosphate· Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine Tinosorb S — broad-spectrum, very photostable. · Butyl Methoxydibenzoylmethane Avobenzone — UVA filter, needs stabilisation. ·Propylene Glycol·Butylene Glycol·C12-20 Acid PEG-8 Ester· Niacinamide Vitamin B3 — barrier + brightening. · Glycerin Humectant — the workhorse hydrator. ·Decapeptide-4·Oligopeptide-20·Oligopeptide-24·Acetyl Hexapeptide-8· Rosmarinus Officinalis Leaf Extract Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity. ·Calendula Officinalis Flower Extract·Camellia Sinensis Leaf Extract·Chamomilla Recutita Flower Extract·Panax Ginseng Root Extract· Tocopherol Vitamin E — antioxidant. ·Tocopheryl Acetate·Silica·Microcrystalline Cellulose·Phenoxyethanol·Aminomethyl Propanol· Parfum Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive. ·Glyceryl Isostearate·Triacontanyl PVP·Cellulose Gum·Helianthus Annuus Seed Oil·Chlorphenesin·Sodium Phytate·Xanthan Gum· Hexyl Cinnamal Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. ·Tetramethyl Acetyloctahydronaphthalenes· Linalool Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. · Alpha-isomethyl Ionone Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. · Citronellol Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. · Citrus Aurantium Dulcis Peel Oil Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity. · Limonene Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. · Benzyl Alcohol Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. · BHT Antioxidant preservative; trace concern. · Hydroxycitronellal Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added. · Alcohol Drying short-chain alcohol — can compromise the skin barrier and disturb the film if used in high amounts.
Source: brand-published INCI. Last verified 2026. Show in detail
01 Aqua Water
02 Dibutyl Adipate Dibutyl Adipate
03 Octocrylene LEGACY FILTER Octocrylene — degrades to benzophenone over time.
04 Diethylamino Hydroxybenzoyl Hexyl Benzoate MODERN FILTER Uvinul A Plus — modern photostable UVA filter.
05 Ethylhexyl Salicylate LEGACY FILTER Octisalate — older filter; well-tolerated.
06 Butylene Glycol Dicaprylate/Dicaprate Butylene Glycol Dicaprylate/Dicaprate
07 Ethylhexyl Methoxycinnamate LEGACY FILTER Octinoxate — endocrine-disruption literature.
08 Phenylbenzimidazole Sulfonic Acid LEGACY FILTER PBSA
09 C12-15 Alkyl Benzoate C12-15 Alkyl Benzoate
10 Ethylhexyl Triazone MODERN FILTER Uvinul T 150 — high-efficiency UVB filter.
11 Trilaureth-4 Phosphate Trilaureth-4 Phosphate
12 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine MODERN FILTER Tinosorb S — broad-spectrum, very photostable.
13 Butyl Methoxydibenzoylmethane LEGACY FILTER Avobenzone — UVA filter, needs stabilisation.
14 Propylene Glycol Propylene Glycol
15 Butylene Glycol Butylene Glycol
16 C12-20 Acid PEG-8 Ester
17 Niacinamide ACTIVE Vitamin B3 — barrier + brightening.
18 Glycerin ACTIVE Humectant — the workhorse hydrator.
19 Decapeptide-4
20 Oligopeptide-20
21 Oligopeptide-24
22 Acetyl Hexapeptide-8 Argireline
23 Rosmarinus Officinalis Leaf Extract NATURAL FRAGRANCE Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity.
24 Calendula Officinalis Flower Extract Calendula Flower Extract
25 Camellia Sinensis Leaf Extract Green Tea Leaf Extract
26 Chamomilla Recutita Flower Extract Chamomile Flower Extract
27 Panax Ginseng Root Extract Ginseng Root Extract
28 Tocopherol ACTIVE Vitamin E — antioxidant.
29 Tocopheryl Acetate Vitamin E Acetate
30 Silica Silica
31 Microcrystalline Cellulose Microcrystalline Cellulose
32 Phenoxyethanol Phenoxyethanol
33 Aminomethyl Propanol Aminomethyl Propanol
34 Parfum ADDED FRAGRANCE Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive.
35 Glyceryl Isostearate Glyceryl Isostearate
36 Triacontanyl PVP Triacontanyl PVP
37 Cellulose Gum Cellulose Gum
38 Helianthus Annuus Seed Oil Sunflower Seed Oil
39 Chlorphenesin Chlorphenesin
40 Sodium Phytate
41 Xanthan Gum Xanthan Gum
42 Hexyl Cinnamal NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
43 Tetramethyl Acetyloctahydronaphthalenes Tetramethyl Acetyloctahydronaphthalenes (Iso E Super)
44 Linalool NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
45 Alpha-isomethyl Ionone NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
46 Citronellol NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
47 Citrus Aurantium Dulcis Peel Oil NATURAL FRAGRANCE Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity.
48 Limonene NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
49 Benzyl Alcohol NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
50 BHT WATCH Antioxidant preservative; trace concern.
51 Hydroxycitronellal NATURAL FRAGRANCE Known fragrance allergen (one of the EU-26). Naturally found in essential oils; required to be listed by name in the EU. Can trigger sensitivity even when no synthetic parfum is added.
52 Alcohol ALCOHOL Drying short-chain alcohol — can compromise the skin barrier and disturb the film if used in high amounts.