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AHC Masters Tone Up Sun Serum
AHC

Masters Tone Up Sun Serum

SPF 50+ · PA++++ Tinted Iron-oxide pigment masks white cast with a sheer skin-tone finish. South Korea global Formulation variant: global. Region-specific reformulations are tracked as separate products.

ZnO/TiO2 tinted with iron oxides offsets cast; ascorbic acid + niacinamide. Penalized for fragrance which limits sensitive-skin use.

MIN Mineral filters Mineral filters — Physical filters (ZnO, TiO2) sit on top and reflect UV. Reef-safer and super gentle. ((· BS Broad spectrum Broad spectrum — Blocks UVA + UVB — covers the whole sun-damage spectrum. A A-FREE Alcohol-free Alcohol-free — No drying short-chain alcohols (denatured / SD alcohol). TINT Tinted Tinted — Adds sheer colour — kills white cast and gives a skin-tone finish.
Where to buy it
YesStyle US In stock
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82.5
Composite
Composite score · independent
Ranks #240 of 1558 in the current catalogue. ZnO/TiO2 tinted with iron oxides offsets cast; ascorbic acid + niacinamide. Penalized for fragrance which limits sensitive-skin use.
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. 99
Filter modernity Dings legacy filters (octinoxate, oxybenzone); rewards photostable next-gen ones. 80
Sensitivity safety Risk for reactive skin — fragrance, alcohol, and known sensitisers. 55
Reef / env. safety Reef toxicity plus how biodegradable the UV filters and surfactants are. 100
Cosmetic elegance Spread, finish, white-cast, and how it actually feels on skin. 80
Health safety Endocrine concerns and systemic absorption signals across the whole formula. 78
02 Composition · key UV filters 2 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
Zinc Oxide Mineral Physical filter — sits on skin and reflects UV. Reef-safer.
Titanium Dioxide 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.
Mineral
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.
Yes
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.
Yes
Verdict Is it worth it?

Pure-mineral essence pairing zinc oxide and titanium dioxide with niacinamide, ceramide NP, hyaluronic acid, and peptides under a tone-up tint. Added fragrance and multiple vitamin C derivatives raise the sensitivity load.

Pros
  • Pure mineral ZnO and TiO2 filter system
  • Tinted essence for tone-up coverage
  • Niacinamide and ceramide NP
  • Hyaluronic acid in multiple molecular weights
  • Alcohol-free formula
Cons
  • Added fragrance
  • Multiple ascorbic acid derivatives raise reactivity risk
  • Very long ingredient list

Who it's for: Mineral-preferring buyers wanting tone-up coverage plus skincare actives; not for fragrance- or vitamin-C-reactive complexions.

04 Full ingredient list (INCI) 76 ingredients
MODERN FILTER 0 LEGACY FILTER 1 MINERAL FILTER 2 ADDED FRAGRANCE 1 NATURAL FRAGRANCE 0 ALCOHOL 0 WATCH 0 ACTIVE 15
Water· Zinc Oxide Mineral UV filter — physical block; reef-safer. ·Trisiloxane· Butyloctyl Salicylate Salicylate-class booster; supports avobenzone. ·Caprylyl Methicone· Niacinamide Vitamin B3 — barrier + brightening. ·Propylheptyl Caprylate·C9-12 Alkane· Titanium Dioxide Mineral UV filter — physical block; reef-safer. ·Propanediol·Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone·Pentylene Glycol·Methyl Trimethicone·Trimethylsiloxysilicate·Polymethylsilsesquioxane·1‚2-Hexanediol· Glycerin Humectant — the workhorse hydrator. ·Diphenylsiloxy Phenyl Trimethicone·Ethylhexyl Methoxycrylene·Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone·Magnesium Sulfate·Methyl Methacrylate Crosspolymer·Polyglyceryl-2 Dipolyhydroxystearate·Triethoxycaprylylsilane·Dimethicone/Vinyl Dimethicone Crosspolymer·Aluminum Hydroxide·Disteardimonium Hectorite·Stearic Acid·Dimethiconol· Fragrance Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive. · Ethylhexylglycerin Humectant — the workhorse hydrator. · Adenosine Smoothing active. ·Trisodium Ethylenediamine Disuccinate·Isododecane·Octyldodecanol·Ci 77491·Arginine·Ci 77492·Hydrogenated Lecithin· Ceramide Np Skin-barrier lipid. ·Glutamine·Glycine·Polyglyceryl-4 Isostearate· Tocopherol Vitamin E — antioxidant. ·Cystine·Isopropyl Titanium Triisostearate·3-O-ethyl Ascorbic Acid·Erythritol·Calcium Carbonate·Butylene Glycol·Caesalpinia Spinosa Fruit Extract·Kappaphycus Alvarezii Extract· Sodium Hyaluronate Hyaluronic acid — humectant. ·Dipropylene Glycol· Panthenol Vitamin B5 — soothing humectant. ·Sorbitol·Methylpropanediol·Caprylic/Capric Triglyceride·Saccharomyces Ferment Filtrate·Ascorbyl Tetraisopalmitate·Bamboo Vinegar·Hippophae Rhamnoides Fruit Extract·Carbomer·Cholesterol· Hyaluronic Acid Hyaluronic acid — humectant. ·Albatrellus Confluens Extract· Hydrolyzed Hyaluronic Acid Hyaluronic acid — humectant. · Hydrolyzed Sodium Hyaluronate Hyaluronic acid — humectant. · Hydroxypropyltrimonium Hyaluronate Hyaluronic acid — humectant. ·Polyglyceryl-10 Laurate· Potassium Hyaluronate Hyaluronic acid — humectant. ·Chitosan·Ascorbic Acid· Sodium Hyaluronate Crosspolymer Hyaluronic acid — humectant. · Sodium Acetylated Hyaluronate Hyaluronic acid — humectant. ·Dna
Source: brand-published INCI. Last verified 2026. Show in detail
01 Water Water
02 Zinc Oxide MINERAL FILTER Mineral UV filter — physical block; reef-safer.
03 Trisiloxane Trisiloxane
04 Butyloctyl Salicylate LEGACY FILTER Salicylate-class booster; supports avobenzone.
05 Caprylyl Methicone Caprylyl Methicone
06 Niacinamide ACTIVE Vitamin B3 — barrier + brightening.
07 Propylheptyl Caprylate Propylheptyl Caprylate
08 C9-12 Alkane C9-12 Alkane
09 Titanium Dioxide MINERAL FILTER Mineral UV filter — physical block; reef-safer.
10 Propanediol Propanediol
11 Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
12 Pentylene Glycol Pentylene Glycol
13 Methyl Trimethicone Methyl Trimethicone
14 Trimethylsiloxysilicate Trimethylsiloxysilicate
15 Polymethylsilsesquioxane Polymethylsilsesquioxane
16 1‚2-Hexanediol 1,2-Hexanediol
17 Glycerin ACTIVE Humectant — the workhorse hydrator.
18 Diphenylsiloxy Phenyl Trimethicone Diphenylsiloxy Phenyl Trimethicone
19 Ethylhexyl Methoxycrylene Ethylhexyl Methoxycrylene (Solastay S1)
20 Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
21 Magnesium Sulfate Magnesium Sulfate
22 Methyl Methacrylate Crosspolymer Methyl Methacrylate Crosspolymer
23 Polyglyceryl-2 Dipolyhydroxystearate Polyglyceryl-2 Dipolyhydroxystearate
24 Triethoxycaprylylsilane Triethoxycaprylylsilane
25 Dimethicone/Vinyl Dimethicone Crosspolymer Dimethicone/Vinyl Dimethicone Crosspolymer
26 Aluminum Hydroxide Aluminum Hydroxide
27 Disteardimonium Hectorite Disteardimonium Hectorite
28 Stearic Acid Stearic Acid
29 Dimethiconol Dimethiconol
30 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.
31 Ethylhexylglycerin ACTIVE Humectant — the workhorse hydrator.
32 Adenosine ACTIVE Smoothing active.
33 Trisodium Ethylenediamine Disuccinate Trisodium Ethylenediamine Disuccinate
34 Isododecane Isododecane
35 Octyldodecanol Octyldodecanol
36 Ci 77491 Iron Oxide Red (CI 77491)
37 Arginine Arginine
38 Ci 77492 Iron Oxide Yellow (CI 77492)
39 Hydrogenated Lecithin Hydrogenated Lecithin
40 Ceramide Np ACTIVE Skin-barrier lipid.
42 Glycine Glycine
43 Polyglyceryl-4 Isostearate Polyglyceryl-4 Isostearate
44 Tocopherol ACTIVE Vitamin E — antioxidant.
45 Cystine
46 Isopropyl Titanium Triisostearate Isopropyl Titanium Triisostearate
47 3-O-ethyl Ascorbic Acid 3-O-Ethyl Ascorbic Acid
48 Erythritol Erythritol
49 Calcium Carbonate Calcium Carbonate
50 Butylene Glycol Butylene Glycol
51 Caesalpinia Spinosa Fruit Extract Tara Fruit Extract
52 Kappaphycus Alvarezii Extract Kappaphycus Alvarezii Extract
53 Sodium Hyaluronate ACTIVE Hyaluronic acid — humectant.
54 Dipropylene Glycol Dipropylene Glycol
55 Panthenol ACTIVE Vitamin B5 — soothing humectant.
56 Sorbitol Sorbitol
57 Methylpropanediol Methylpropanediol
58 Caprylic/Capric Triglyceride Caprylic/Capric Triglyceride
59 Saccharomyces Ferment Filtrate Saccharomyces Ferment Filtrate
60 Ascorbyl Tetraisopalmitate Ascorbyl Tetraisopalmitate
62 Hippophae Rhamnoides Fruit Extract Sea Buckthorn Fruit Extract
63 Carbomer Carbomer
64 Cholesterol Cholesterol
65 Hyaluronic Acid ACTIVE Hyaluronic acid — humectant.
67 Hydrolyzed Hyaluronic Acid ACTIVE Hyaluronic acid — humectant.
68 Hydrolyzed Sodium Hyaluronate ACTIVE Hyaluronic acid — humectant.
69 Hydroxypropyltrimonium Hyaluronate ACTIVE Hyaluronic acid — humectant.
70 Polyglyceryl-10 Laurate Polyglyceryl-10 Laurate
71 Potassium Hyaluronate ACTIVE Hyaluronic acid — humectant.
72 Chitosan Chitosan
73 Ascorbic Acid Ascorbic Acid (Vitamin C)
74 Sodium Hyaluronate Crosspolymer ACTIVE Hyaluronic acid — humectant.
75 Sodium Acetylated Hyaluronate ACTIVE Hyaluronic acid — humectant.
76 Dna DNA