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Rohto Mentholatum Obagi C Day Serum UV SPF 50+ PA++++
Rohto Mentholatum

Obagi C Day Serum UV SPF 50+ PA++++

SPF 50+ · PA++++ Tone-up Brightening veil from mineral & tone-up formulas; evens out your skin tone. Japan jp-domestic Formulation variant: jp-domestic. Region-specific reformulations are tracked as separate products.

Modern UV filters and vitamin C derivatives but ethanol, fragrance, and PEG-40 stearate present alongside octinoxate.

HYB Hybrid filters Hybrid filters — Mineral + chemical filters together for the best of both. ((· BS Broad spectrum Broad spectrum — Blocks UVA + UVB — covers the whole sun-damage spectrum.
Where to buy it
YesStyle US In stock
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66.7
Composite
Composite score · independent
Ranks #1052 of 1558 in the current catalogue. Modern UV filters and vitamin C derivatives but ethanol, fragrance, and PEG-40 stearate present alongside octinoxate.
Composite is a weighted blend: UV 25% · Modernity 10% · Sensitivity 15% · Environment 10% · Elegance 15% · Health 25%. That's the recipe.
01 The score breakdown
UV protection How hard it blocks UVA + UVB across the spectrum at the stated SPF/PA. 100
Filter modernity Dings legacy filters (octinoxate, oxybenzone); rewards photostable next-gen ones. 82
Sensitivity safety Risk for reactive skin — fragrance, alcohol, and known sensitisers. 32
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. 68
Health safety Endocrine concerns and systemic absorption signals across the whole formula. 48
02 Composition · key UV filters 5 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
Octinoxate Legacy Older organic filter. Photostable in combination; some literature concerns.
Uvinul A Plus Modern Next-gen photostable filter; low irritation profile.
Bemotrizinol Modern Next-gen photostable filter; low irritation profile.
Titanium Dioxide Mineral Physical filter — sits on skin and reflects UV. Reef-safer.
Zinc Oxide Mineral Physical filter — sits on skin and reflects UV. Reef-safer.
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.
Hybrid
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.
Essence
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
Verdict Is it worth it?

Antioxidant-loaded essence built around four vitamin C derivatives, vitamin E, Centella Asiatica, and a five-filter system. Octinoxate, low-level alcohol, fragrance, and citrus extract limit suitability for reactive skin.

Pros
  • Four vitamin C forms including Ascorbyl Tetraisopalmitate
  • Centella Asiatica and Caesalpinia Spinosa extracts
  • Five filters spanning UVA and UVB
  • Glycerin and butylene glycol humectants
  • Lightweight serum finish
Cons
  • Octinoxate among the top filters
  • Added fragrance present
  • Citrus Paradisi extract may sensitize
  • Phenoxyethanol plus low-level alcohol

Who it's for: Buyers wanting a daily antioxidant serum-style SPF who tolerate fragrance, alcohol, and citrus extracts.

04 Full ingredient list (INCI) 48 ingredients
MODERN FILTER 2 LEGACY FILTER 1 MINERAL FILTER 2 ADDED FRAGRANCE 1 NATURAL FRAGRANCE 1 ALCOHOL 1 WATCH 0 ACTIVE 3
Water·Butylene Glycol· Ethylhexyl Methoxycinnamate Octinoxate — endocrine-disruption literature. · Diethylamino Hydroxybenzoyl Hexyl Benzoate Uvinul A Plus — modern photostable UVA filter. ·Diethylhexyl Succinate· Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine Tinosorb S — broad-spectrum, very photostable. · Titanium Dioxide Mineral UV filter — physical block; reef-safer. ·Ascorbyl Glucoside·Behenyl Alcohol·Glyceryl Ascorbate·Ascorbyl Tetraisopalmitate· Tocopherol Vitamin E — antioxidant. ·Isomerized Sugar· Centella Asiatica Extract Centella — calming, repair. ·Cynara Scolymus Leaf Extract·Caesalpinia Spinosa Fruit Extract·Kappaphycus Alvarezii Extract·oxidation (Al/Ca/manganese (pending review)·Diphenyl Dimethicone/Vinyl Diphenyl Dimethicone/Silsesquioxane Crosspolymer· Citrus Paradisi Fruit Extract Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity. · Zinc Oxide Mineral UV filter — physical block; reef-safer. ·Phytosteryl Macadamiate· Glycerin Humectant — the workhorse hydrator. ·Caprylyl Glycol·Pentylene Glycol·PEG-40 Stearate·Diphenylsiloxy Phenyl Trimethicone·Glyceryl Stearate·Mica·Polyglyceryl-10 Pentastearate·Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer·Sodium Hydroxide·Sodium Stearoyl Lactylate·Xanthan Gum·Cellulose·Caprylic/Capric Triglyceride·Carbomer·Silica·Disodium Edta·Dna·Acacia Senegal Flower/Stem Extract·Alumina·Caprylhydroxamic Acid·Hydrogen Dimethicone·Stearyl Alcohol·Phenoxyethanol· Alcohol Drying short-chain alcohol — can compromise the skin barrier and disturb the film if used in high amounts. · Fragrance Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive.
Source: brand-published INCI. Last verified 2026. Show in detail
01 Water Water
02 Butylene Glycol Butylene Glycol
03 Ethylhexyl Methoxycinnamate LEGACY FILTER Octinoxate — endocrine-disruption literature.
04 Diethylamino Hydroxybenzoyl Hexyl Benzoate MODERN FILTER Uvinul A Plus — modern photostable UVA filter.
05 Diethylhexyl Succinate Diethylhexyl Succinate
06 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine MODERN FILTER Tinosorb S — broad-spectrum, very photostable.
07 Titanium Dioxide MINERAL FILTER Mineral UV filter — physical block; reef-safer.
08 Ascorbyl Glucoside Ascorbyl Glucoside
09 Behenyl Alcohol Behenyl Alcohol
10 Glyceryl Ascorbate Glyceryl Ascorbate
11 Ascorbyl Tetraisopalmitate Ascorbyl Tetraisopalmitate
12 Tocopherol ACTIVE Vitamin E — antioxidant.
14 Centella Asiatica Extract ACTIVE Centella — calming, repair.
15 Cynara Scolymus Leaf Extract Artichoke Leaf Extract
16 Caesalpinia Spinosa Fruit Extract Tara Fruit Extract
17 Kappaphycus Alvarezii Extract Kappaphycus Alvarezii Extract
18 oxidation (Al/Ca/manganese Pending review
19 Diphenyl Dimethicone/Vinyl Diphenyl Dimethicone/Silsesquioxane Crosspolymer Diphenyl Dimethicone/Vinyl Diphenyl Dimethicone/Silsesquioxane Crosspolymer
20 Citrus Paradisi Fruit Extract NATURAL FRAGRANCE Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity.
21 Zinc Oxide MINERAL FILTER Mineral UV filter — physical block; reef-safer.
22 Phytosteryl Macadamiate Phytosteryl Macadamiate
23 Glycerin ACTIVE Humectant — the workhorse hydrator.
24 Caprylyl Glycol Caprylyl Glycol
25 Pentylene Glycol Pentylene Glycol
26 PEG-40 Stearate PEG-40 Stearate
27 Diphenylsiloxy Phenyl Trimethicone Diphenylsiloxy Phenyl Trimethicone
28 Glyceryl Stearate Glyceryl Stearate
29 Mica Mica
30 Polyglyceryl-10 Pentastearate Polyglyceryl-10 Pentastearate
31 Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
32 Sodium Hydroxide Sodium Hydroxide
33 Sodium Stearoyl Lactylate Sodium Stearoyl Lactylate
34 Xanthan Gum Xanthan Gum
35 Cellulose Cellulose
36 Caprylic/Capric Triglyceride Caprylic/Capric Triglyceride
37 Carbomer Carbomer
38 Silica Silica
39 Disodium Edta Disodium EDTA
40 Dna DNA
41 Acacia Senegal Flower/Stem Extract Acacia Senegal Gum
42 Alumina Alumina
43 Caprylhydroxamic Acid Caprylhydroxamic Acid
44 Hydrogen Dimethicone Hydrogen Dimethicone
45 Stearyl Alcohol Stearyl Alcohol
46 Phenoxyethanol Phenoxyethanol
47 Alcohol ALCOHOL Drying short-chain alcohol — can compromise the skin barrier and disturb the film if used in high amounts.
48 Fragrance ADDED FRAGRANCE Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive.