peter-thomas-roth Peter Thomas Roth Marine Algae Mask Intense Hydrating Treatment
peter-thomas-roth Peter Thomas Roth Marine Algae Mask Intense Hydrating Treatment lists 21 ingredients on its label, 20 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
- Water/Aqua/Eau
- Salvia Officinalis Flower/Leaf/Stem Water
- Glycerin
- Pseudoalteromonas Ferment Extract
- Camellia Sinensis Leaf Extract
- Kappaphycus Alvarezii Extract
- Algae Extract
- Maris Aqua
- Sodium Hyaluronate
- Mica
- Silica
- Carbomer
- Sodium Hydroxide
- Disodium Edta
- Citric Acid
- Caprylyl Glycol
- Potassium Sorbate
- Sodium Benzoate
- Phenoxyethanol
- Titanium Dioxide
- Blue 1
Highlights
Free of alcoholFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains fragrance
Formulation view Aqueous base with sage water, algae extracts, and ferments. Carbomer thickens; hyaluronic acid hydrates. Ocean-inspired moisturization for dry skin. Factory observation: monitor salt ions affecting carbomer gel stability and preservative compatibility.
Key ingredients
- 溶剂
- Water/Aqua/Eau
- DENATURANT
- Glycerin
- HUMECTANT
- Pseudoalteromonas Ferment ExtractMaris AquaSodium Hyaluronate
- ANTIMICROBIAL
- Camellia Sinensis Leaf Extract
- SKIN CONDITIONING
- Kappaphycus Alvarezii Extract
- SKIN CONDITIONING - EMOLLIENT
- Algae Extract
Other ingredients
Salvia Officinalis Flower/Leaf/Stem WaterMicaSilicaCarbomerSodium HydroxideDisodium EdtaCitric AcidCaprylyl GlycolPotassium SorbateSodium BenzoatePhenoxyethanolTitanium DioxideBlue 1
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water/Aqua/Eau | 溶剂 | 0 · 0 | Green |
| Salvia Officinalis Flower/Leaf/Stem Water | Not decoded yet | — | — |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Pseudoalteromonas Ferment Extract | HUMECTANT | 0 · 0 | Green |
| Camellia Sinensis Leaf Extract | ANTIMICROBIAL, ANTIOXIDANT, ASTRINGENT, SKIN CONDITIONING - EMOLLIENT, HUMECTANT, FRAGRANCE, ORAL CARE, SKIN CONDITIONING, SKIN PROTECTING, TONIC, UV ABSORBER | 1 · 0 | Green |
| Kappaphycus Alvarezii Extract | SKIN CONDITIONING | 0 · 0 | Green |
| Algae Extract | SKIN CONDITIONING - EMOLLIENT, HUMECTANT, FRAGRANCE, ORAL CARE, SKIN CONDITIONING - MISCELLANEOUS | 0 · – | Green |
| Maris Aqua | HUMECTANT, SOLVENT | 0 · – | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Mica | ANTICAKING, BULKING, COLORANT, OPACIFYING | 0 · 0 | Green |
| Silica | ABRASIVE, ABSORBENT, ANTICAKING, BULKING, OPACIFYING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Carbomer | EMULSION STABILISING, GEL FORMING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Sodium Hydroxide | BUFFERING, DENATURANT · 限制 III/15a | 3 · – | Green |
| Disodium Edta | CHELATING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Caprylyl Glycol | DEODORANT, SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Potassium Sorbate | FRAGRANCE, PRESERVATIVE · 限制 V/4 | 0 · – | Yellow |
| Sodium Benzoate | ANTICORROSIVE, FRAGRANCE, PRESERVATIVE · 限制 V/1 | 0 · – | Yellow |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Titanium Dioxide | UV FILTER · 附录 VI · 最高浓度 25%* *: In case of combined use of Titanium Dioxide and Titanium Dioxide (nano), the sum shall not exceed the limit given in column g (Maximum concentration in ready for use preparation) · 限制 <empty>; as a constituent of other substances, or in mixtures, in concentrations equal to, or greater than 0.1% by weight; Shall not be placed on the market, or used, as substance or in mixtures in concentrations equal to ot greater than 0.1% by weight; Shall not be used as propellant in aerosols for any use. Aerosols dispenser containing the substance as propellant shall not | 0 · 0 | Yellow |
| Blue 1 | 着色剂 | 0 · 0 | Green |
Ingredients explained
- Water/Aqua/Eau
- Primary aqueous solvent and carrier; no specific incompatibilities, focus on microbial stability.
- Salvia Officinalis Flower/Leaf/Stem Water
- Not decoded yet
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Pseudoalteromonas Ferment Extract
- Microbial ferment for humectancy and skin conditioning; gentle.
- Camellia Sinensis Leaf Extract
- Green tea extract for antioxidant/astringent; contains caffeine, possible irritation in sensitive skin.
- Kappaphycus Alvarezii Extract
- Seaweed polysaccharide; film forming and moisturizing; provides gel texture; gentle.
- Algae Extract
- Algae extract with humectant and conditioning effects; may contain natural fragrant components.
- Maris Aqua
- Seawater solvent & humectant; mineral-rich, caution on sensitive skin
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Mica
- Mineral colorant for pearlescence; heavy metal screening required
- Silica
- Silica powder at 1–10%; absorbs oil, thickens, provides matte finish, for oil-control products
- Carbomer
- Gelling thickener requiring neutralization; watch out for ion compatibility
- Sodium Hydroxide
- Strong base neutralizer for pH adjustment; handle with extreme care
- Disodium Edta
- Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Caprylyl Glycol
- Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol
- Potassium Sorbate
- Preservative effective below pH 6; combinable with sodium benzoate
- Sodium Benzoate
- Preservative booster, effective below pH 4.5; combinable with sorbates
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Titanium Dioxide
- Physical UV filter and colorant up to 25%; nano form requires attention
- Blue 1
- Synthetic water-soluble dye for color; use within regulatory limits
Source: full ingredient list published on the product label, collected 2026-09-18. Ratings are our internal reading, not a regulatory conclusion. · Product page
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