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SK
SKIN1004

Madagascar Centella Hyalu-Cica Water-Fit Sun Serum UV OTC Version

SPF 50+ · PA++++ Invisible No white cast — chemical/hybrid filters that disappear on skin. KR South Korea global Formulation variant: global. Region-specific reformulations are tracked as separate products.

US-OTC reformulation uses homosalate, octocrylene, octisalate, avobenzone — endocrine concerns and octocrylene→benzophenone degradation.

◐ CHEM Chemical filters Chemical filters — Organic filters absorb UV. Cosmetically elegant; filter selection matters. ((· BS Broad spectrum Broad spectrum — Blocks UVA + UVB across the full sun-damage spectrum. F F-FREE Fragrance-free Fragrance-free — No added fragrance or perfume — lower irritation risk for reactive skin. A A-FREE Alcohol-free Alcohol-free — No drying short-chain alcohols (denatured / SD alcohol).
69.8
Composite
Composite score · independent
Ranks #858 of 1558 in the current catalogue. US-OTC reformulation uses homosalate, octocrylene, octisalate, avobenzone — endocrine concerns and octocrylene→benzophenone degradation.
Composite is a weighted blend: UV 25% · Modernity 10% · Sensitivity 15% · Environment 10% · Elegance 15% · Health 25%.
Verdict Should you buy it?

US-OTC reformulation that swaps the modern filter set for homosalate, octocrylene, octisalate, and avobenzone. The centella base and light feel carry over, but the filter profile is markedly older than the global version.

Pros
  • Centella, niacinamide, and panthenol carry over from the global formula
  • Fragrance-free and free of denatured alcohol per INCI
  • Sodium hyaluronate and hydrolyzed forms for hydration
  • Lightweight serum format for makeup-friendly layering
Cons
  • Homosalate and octocrylene raise endocrine and stability concerns
  • Octocrylene can degrade to benzophenone over storage
  • Avobenzone needs stabilization to hold UVA performance
  • Filter modernity drops sharply versus the global version

Who it's for: US-OTC shoppers wanting SKIN1004's centella base who accept an older filter set instead of the global formula.

01 Score breakdown
UV protection How well the product blocks UVA + UVB across the spectrum at the stated SPF/PA. 100
Filter modernity Penalises legacy filters (octinoxate, oxybenzone); rewards photostable next-gen filters. 50
Sensitivity safety Risk for reactive skin — fragrance, alcohol, known sensitisers. 55
Reef / env. safety Reef toxicity, biodegradability of UV filters and surfactants. 85
Cosmetic elegance Spread, finish, white-cast, comfort on skin. 74
Health safety Endocrine concerns, systemic absorption signals across the formula. 48
02 Composition · key UV filters 4 filters resolved
UVB 290–320nm UVB (290–320nm) — covered UVA-II 320–340nm UVA-II (320–340nm) — covered UVA-I 340–400nm UVA-I (340–400nm) — covered
Homosalate Legacy Older organic filter. Photostable in combination; some literature concerns.
Octocrylene Legacy Older organic filter. Photostable in combination; some literature concerns.
Octisalate Legacy Older organic filter. Photostable in combination; some literature concerns.
Avobenzone Legacy Older organic filter. Photostable in combination; some literature concerns.
03 At-a-glance facts
Protection
Filter type Mineral filters (zinc oxide, titanium dioxide) sit on skin and reflect UV. Chemical filters absorb UV. Hybrid blends both.
Chemical
Broad spectrum Protects across both UVA and UVB ranges. UVA causes aging and deeper damage; UVB causes burns.
Yes
Formulation & feel
Texture How the formula feels at application — milk, gel, cream, spray, stick, essence, lotion, powder, or cushion.
Essence
Finish How the formula looks on skin 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' differs — may contain masking fragrance. Botanical oils still scent.
Yes
Alcohol-free No drying short-chain alcohols (alcohol denat., SD alcohol, ethanol). Does not refer to fatty alcohols like cetyl or stearyl alcohol, which are emollients.
Yes
04 Full ingredient list (INCI) 35 ingredients
MODERN FILTER 0 LEGACY FILTER 5 MINERAL FILTER 0 ADDED FRAGRANCE 0 NATURAL FRAGRANCE 0 ALCOHOL 0 WATCH 0 ACTIVE 8
Water· Homosalate Homosalate — legacy UVB filter; endocrine literature. · Octocrylene Octocrylene — degrades to benzophenone over time. · Butyloctyl Salicylate Salicylate-class booster; supports avobenzone. · Ethylhexyl Salicylate Octisalate — older filter; well-tolerated. ·Propanediol· Butyl Methoxydibenzoylmethane Avobenzone — UVA filter, needs stabilisation. ·Polymethylsilsesquioxane·C20-22 Alkyl Phosphate·C20-22 Alcohols· Panthenol Vitamin B5 — soothing humectant. ·1‚2-Hexanediol·Caprylyl Methicone·Pentylene Glycol·Dimethicone/Vinyl Dimethicone Crosspolymer·Cetyl Alcohol·Vp/Eicosene Copolymer·Glyceryl Stearate·Tromethamine·Polyacrylate Crosspolymer-6·Ammonium Acryloyldimethyltaurate/Vp Copolymer·Silica·Butylene Glycol· Centella Asiatica Extract Centella — calming, repair. · Ethylhexylglycerin Humectant — the workhorse hydrator. · Hydrolyzed Sodium Hyaluronate Hyaluronic acid — humectant. · Sodium Hyaluronate Hyaluronic acid — humectant. · Tocopherol Vitamin E — antioxidant. · Glycerin Humectant — the workhorse hydrator. ·Portulaca Oleracea Extract·Camellia Sinensis Leaf Extract· Hyaluronic Acid Hyaluronic acid — humectant. ·Oryza Sativa Extract·Avena Sativa Meal Extract·Glycine Max (Soybean) Seed ExtractIngredients subject to change at manufacturer's discretion. For the most complete and up-to-date list of ingredients (pending review)
Source: brand-published INCI. Last verified 19 Jun 2026. Show in detail
01 Water Water
02 Homosalate LEGACY FILTER Homosalate — legacy UVB filter; endocrine literature.
03 Octocrylene LEGACY FILTER Octocrylene — degrades to benzophenone over time.
04 Butyloctyl Salicylate LEGACY FILTER Salicylate-class booster; supports avobenzone.
05 Ethylhexyl Salicylate LEGACY FILTER Octisalate — older filter; well-tolerated.
06 Propanediol Propanediol
07 Butyl Methoxydibenzoylmethane LEGACY FILTER Avobenzone — UVA filter, needs stabilisation.
08 Polymethylsilsesquioxane Polymethylsilsesquioxane
09 C20-22 Alkyl Phosphate C20-22 Alkyl Phosphate
10 C20-22 Alcohols C20-22 Alcohols
11 Panthenol ACTIVE Vitamin B5 — soothing humectant.
12 1‚2-Hexanediol 1,2-Hexanediol
13 Caprylyl Methicone Caprylyl Methicone
14 Pentylene Glycol Pentylene Glycol
15 Dimethicone/Vinyl Dimethicone Crosspolymer Dimethicone/Vinyl Dimethicone Crosspolymer
16 Cetyl Alcohol Cetyl Alcohol
17 Vp/Eicosene Copolymer VP/Eicosene Copolymer
18 Glyceryl Stearate Glyceryl Stearate
19 Tromethamine Tromethamine
20 Polyacrylate Crosspolymer-6 Polyacrylate Crosspolymer-6
21 Ammonium Acryloyldimethyltaurate/Vp Copolymer Ammonium Acryloyldimethyltaurate/VP Copolymer
22 Silica Silica
23 Butylene Glycol Butylene Glycol
24 Centella Asiatica Extract ACTIVE Centella — calming, repair.
25 Ethylhexylglycerin ACTIVE Humectant — the workhorse hydrator.
26 Hydrolyzed Sodium Hyaluronate ACTIVE Hyaluronic acid — humectant.
27 Sodium Hyaluronate ACTIVE Hyaluronic acid — humectant.
28 Tocopherol ACTIVE Vitamin E — antioxidant.
29 Glycerin ACTIVE Humectant — the workhorse hydrator.
30 Portulaca Oleracea Extract
31 Camellia Sinensis Leaf Extract Green Tea Leaf Extract
32 Hyaluronic Acid ACTIVE Hyaluronic acid — humectant.
33 Oryza Sativa Extract Rice Extract
34 Avena Sativa Meal Extract Oat Meal Extract
35 Glycine Max (Soybean) Seed ExtractIngredients subject to change at manufacturer's discretion. For the most complete and up-to-date list of ingredients Pending review