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Dive In Watery Sun Serum / SPF50+ / PA++++ / 50ml

ダイブインウォータリーサンセラム / SPF50+ / PA++++ / 50ml
SPF 50+ · PA++++ Invisible No white cast — chemical/hybrid filters that disappear on skin. JP Japan jp-domestic Formulation variant: jp-domestic. Region-specific reformulations are tracked as separate products.

Modern non-US filter set (triazone, DHHB, BEMT, drometrizole) with hyaluronic complex; lightweight serum, no fragrance or ethanol.

◐ 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).
88.0
Composite
Composite score · independent
Ranks #73 of 1558 in the current catalogue. Modern non-US filter set (triazone, DHHB, BEMT, drometrizole) with hyaluronic complex; lightweight serum, no fragrance or ethanol.
Composite is a weighted blend: UV 25% · Modernity 10% · Sensitivity 15% · Environment 10% · Elegance 15% · Health 25%.
Verdict Should you buy it?

Watery serum built around a modern non-US filter set (Uvinul T 150, Mexoryl XL, Ecamsule, Uvinul A Plus, BEMT) layered into a deep hyaluronic acid complex. Fragrance-free, alcohol-free, and lightweight.

Pros
  • Modern triazine and Mexoryl filters with broad UVA reach
  • Fragrance-free per the INCI
  • Alcohol-free; no ethanol or denatured alcohol
  • Extensive hyaluronic acid and humectant complex
  • Niacinamide and panthenol in supporting cast
Cons
  • Filter set is not FDA-approved for US sale
  • Light essence finish may need reapplication on shiny skin

Who it's for: Sensitive-skin users wanting modern non-US filters in a featherlight, fragrance-free serum that layers easily under makeup.

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. 100
Sensitivity safety Risk for reactive skin — fragrance, alcohol, known sensitisers. 72
Reef / env. safety Reef toxicity, biodegradability of UV filters and surfactants. 100
Cosmetic elegance Spread, finish, white-cast, comfort on skin. 85
Health safety Endocrine concerns, systemic absorption signals across the formula. 78
02 Composition · key UV filters 5 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
Uvinul T 150 Modern Next-gen photostable filter; low irritation profile.
Mexoryl XL Modern Next-gen photostable filter; low irritation profile.
Ecamsule (Mexoryl SX) Modern Next-gen photostable filter; low irritation profile.
Uvinul A Plus Modern Next-gen photostable filter; low irritation profile.
Bemotrizinol Modern Next-gen photostable filter; low irritation profile.
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) 46 ingredients
MODERN FILTER 5 LEGACY FILTER 1 MINERAL FILTER 0 ADDED FRAGRANCE 0 NATURAL FRAGRANCE 0 ALCOHOL 0 WATCH 0 ACTIVE 17
Aqua·Propanediol·Dibutyl Adipate·Polymethylsilsesquioxane· Butyloctyl Salicylate Salicylate-class booster; supports avobenzone. · Ethylhexyl Triazone Uvinul T 150 — high-efficiency UVB filter. · Niacinamide Vitamin B3 — barrier + brightening. ·Isononyl Isononanoate·Polyglyceryl-3 Methylglucose Distearate· Drometrizole Trisiloxane Mexoryl XL · Terephthalylidene Dicamphor Sulfonic Acid Ecamsule (Mexoryl SX) · Diethylamino Hydroxybenzoyl Hexyl Benzoate Uvinul A Plus — modern photostable UVA filter. ·1‚2-Hexanediol·Tromethamine·Pentylene Glycol·Caprylyl Methicone· Glycerin Humectant — the workhorse hydrator. · Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine Tinosorb S — broad-spectrum, very photostable. ·Sodium Polyacryloyldimethyl Taurate·Cetearyl Alcohol·Methylpropanediol·Vp/Eicosene Copolymer·Sodium Stearoyl Glutamate·Trisodium Ethylenediamine Disuccinate· Ethylhexylglycerin Humectant — the workhorse hydrator. ·Inulin Lauryl Carbamate· Adenosine Smoothing active. ·Malachite·Polyacrylate Crosspolymer-6·Arginine·Polyether-1·Biosaccharide Gum-1· Allantoin Soothing; barrier-supportive. · Tocopherol Vitamin E — antioxidant. · Panthenol Vitamin B5 — soothing humectant. ·Butylene Glycol· Dimethylsilanol Hyaluronate Hyaluronic acid — humectant. · Hydrolyzed Hyaluronic Acid Hyaluronic acid — humectant. · Hydrolyzed Sodium Hyaluronate Hyaluronic acid — humectant. · Sodium Hyaluronate Hyaluronic acid — humectant. · Hyaluronic Acid Hyaluronic acid — humectant. · Potassium Hyaluronate Hyaluronic acid — humectant. · Sodium Hyaluronate Crosspolymer Hyaluronic acid — humectant. · Hydroxypropyltrimonium Hyaluronate Hyaluronic acid — humectant. · Sodium Hyaluronate Dimethylsilanol Hyaluronic acid — humectant. · Sodium Acetylated Hyaluronate Hyaluronic acid — humectant.
Source: brand-published INCI. Last verified 19 Jun 2026. Show in detail
01 Aqua Water
02 Propanediol Propanediol
03 Dibutyl Adipate Dibutyl Adipate
04 Polymethylsilsesquioxane Polymethylsilsesquioxane
05 Butyloctyl Salicylate LEGACY FILTER Salicylate-class booster; supports avobenzone.
06 Ethylhexyl Triazone MODERN FILTER Uvinul T 150 — high-efficiency UVB filter.
07 Niacinamide ACTIVE Vitamin B3 — barrier + brightening.
08 Isononyl Isononanoate Isononyl Isononanoate
09 Polyglyceryl-3 Methylglucose Distearate Polyglyceryl-3 Methylglucose Distearate
10 Drometrizole Trisiloxane MODERN FILTER Mexoryl XL
11 Terephthalylidene Dicamphor Sulfonic Acid MODERN FILTER Ecamsule (Mexoryl SX)
12 Diethylamino Hydroxybenzoyl Hexyl Benzoate MODERN FILTER Uvinul A Plus — modern photostable UVA filter.
13 1‚2-Hexanediol 1,2-Hexanediol
14 Tromethamine Tromethamine
15 Pentylene Glycol Pentylene Glycol
16 Caprylyl Methicone Caprylyl Methicone
17 Glycerin ACTIVE Humectant — the workhorse hydrator.
18 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine MODERN FILTER Tinosorb S — broad-spectrum, very photostable.
19 Sodium Polyacryloyldimethyl Taurate Sodium Polyacryloyldimethyl Taurate
20 Cetearyl Alcohol Cetearyl Alcohol
21 Methylpropanediol Methylpropanediol
22 Vp/Eicosene Copolymer VP/Eicosene Copolymer
23 Sodium Stearoyl Glutamate Sodium Stearoyl Glutamate
24 Trisodium Ethylenediamine Disuccinate Trisodium Ethylenediamine Disuccinate
25 Ethylhexylglycerin ACTIVE Humectant — the workhorse hydrator.
26 Inulin Lauryl Carbamate Inulin Lauryl Carbamate
27 Adenosine ACTIVE Smoothing active.
28 Malachite Malachite
29 Polyacrylate Crosspolymer-6 Polyacrylate Crosspolymer-6
30 Arginine Arginine
31 Polyether-1
32 Biosaccharide Gum-1 Biosaccharide Gum-1
33 Allantoin ACTIVE Soothing; barrier-supportive.
34 Tocopherol ACTIVE Vitamin E — antioxidant.
35 Panthenol ACTIVE Vitamin B5 — soothing humectant.
36 Butylene Glycol Butylene Glycol
37 Dimethylsilanol Hyaluronate ACTIVE Hyaluronic acid — humectant.
38 Hydrolyzed Hyaluronic Acid ACTIVE Hyaluronic acid — humectant.
39 Hydrolyzed Sodium Hyaluronate ACTIVE Hyaluronic acid — humectant.
40 Sodium Hyaluronate ACTIVE Hyaluronic acid — humectant.
41 Hyaluronic Acid ACTIVE Hyaluronic acid — humectant.
42 Potassium Hyaluronate ACTIVE Hyaluronic acid — humectant.
43 Sodium Hyaluronate Crosspolymer ACTIVE Hyaluronic acid — humectant.
44 Hydroxypropyltrimonium Hyaluronate ACTIVE Hyaluronic acid — humectant.
45 Sodium Hyaluronate Dimethylsilanol ACTIVE Hyaluronic acid — humectant.
46 Sodium Acetylated Hyaluronate ACTIVE Hyaluronic acid — humectant.