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OSAJI

Sensitive Skin UV Protect Lotion / SPF28 / PA+++ / 40mL

センシティブ スキン UVプロテクト ローション / SPF28 / PA+++ / 40mL
SPF 28 · PA+++ Tone-up Brightening veil from mineral & tone-up formulas; evens skin tone. Sensitive & baby Fragrance-free, low-irritant, baby-safe gentle formulas. JP Japan jp-domestic Formulation variant: jp-domestic. Region-specific reformulations are tracked as separate products.

Minimalist mineral lotion, no fragrance/alcohol/parabens/PEGs; gentle humectants and lactic acid low. Excellent for sensitive skin.

△ MIN Mineral filters Mineral filters — Physical filters (ZnO, TiO2) sit on skin and reflect UV. Reef-safer; very gentle. 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).
75.2
Composite
Composite score · independent
Ranks #570 of 1558 in the current catalogue. Minimalist mineral lotion, no fragrance/alcohol/parabens/PEGs; gentle humectants and lactic acid low. Excellent for sensitive skin.
Composite is a weighted blend: UV 25% · Modernity 10% · Sensitivity 15% · Environment 10% · Elegance 15% · Health 25%.
Verdict Should you buy it?

A pared-back mineral lotion built around titanium dioxide with a short, fragrance- and alcohol-free INCI. SPF28 PA+++ keeps protection modest, but the minimalist base is friendly to reactive skin.

Pros
  • Very short INCI minimizes reactivity risk
  • Fragrance-free and ethanol-free
  • Titanium dioxide as the sole UV filter
  • Hydroxyapatite and glycerin for gentle hydration
  • Lotion texture suits daily indoor wear
Cons
  • SPF28 PA+++ is lower than peers at SPF50
  • Titanium-only filter limits UVA breadth
  • Untinted mineral base can leave a light cast

Who it's for: For sensitive or reactive skin needing a minimalist Japanese mineral lotion for daily, lower-exposure use.

01 Score breakdown
UV protection How well the product blocks UVA + UVB across the spectrum at the stated SPF/PA. 54
Filter modernity Penalises legacy filters (octinoxate, oxybenzone); rewards photostable next-gen filters. 80
Sensitivity safety Risk for reactive skin — fragrance, alcohol, known sensitisers. 88
Reef / env. safety Reef toxicity, biodegradability of UV filters and surfactants. 100
Cosmetic elegance Spread, finish, white-cast, comfort on skin. 62
Health safety Endocrine concerns, systemic absorption signals across the formula. 85
02 Composition · key UV filters 1 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) — not covered
Titanium Dioxide Mineral Physical filter — sits on skin and reflects UV. Reef-safer.
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.
Mineral
Broad spectrum Protects across both UVA and UVB ranges. UVA causes aging and deeper damage; UVB causes burns.
No
Formulation & feel
Texture How the formula feels at application — milk, gel, cream, spray, stick, essence, lotion, powder, or cushion.
Lotion
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) 12 ingredients
MODERN FILTER 0 LEGACY FILTER 0 MINERAL FILTER 1 ADDED FRAGRANCE 0 NATURAL FRAGRANCE 0 ALCOHOL 0 WATCH 0 ACTIVE 2
Aqua·Propanediol· Glycerin Humectant — the workhorse hydrator. · Titanium Dioxide Mineral UV filter — physical block; reef-safer. ·Pentylene Glycol·Hydrated Silica·Hydroxyapatite· Diglycerin Humectant — the workhorse hydrator. ·Biosaccharide Gum-1·Polyglyceryl-10 Myristate·Lactic Acid·Sodium Lactate
Source: brand-published INCI. Last verified 19 Jun 2026. Show in detail
01 Aqua Water
02 Propanediol Propanediol
03 Glycerin ACTIVE Humectant — the workhorse hydrator.
04 Titanium Dioxide MINERAL FILTER Mineral UV filter — physical block; reef-safer.
05 Pentylene Glycol Pentylene Glycol
06 Hydrated Silica Hydrated Silica
07 Hydroxyapatite Hydroxyapatite
08 Diglycerin ACTIVE Humectant — the workhorse hydrator.
09 Biosaccharide Gum-1 Biosaccharide Gum-1
10 Polyglyceryl-10 Myristate
11 Lactic Acid Lactic Acid
12 Sodium Lactate Sodium Lactate