obagi Tretinoin
obagi Obagi Tretinoin lists 9 ingredients on its label, 8 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.
Highlights
Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains PEG
Key ingredients
- 皮肤调理剂
- Tretinoin
- CLEANSING
- Stearic Acid
- BINDING
- Isopropyl MyristateXanthan Gum
- SURFACTANT - EMULSIFYING
- PEG-40 Stearate
- SKIN CONDITIONING - EMOLLIENT
- Stearyl Alcohol
- FRAGRANCE
- Sorbic Acid
- ANTIPLAQUE
- Water
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Tretinoin | 皮肤调理剂 | 5 · 0 | Red |
| Stearic Acid | CLEANSING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, FRAGRANCE, REFATTING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Isopropyl Myristate | BINDING, SKIN CONDITIONING - EMOLLIENT, FRAGRANCE, PERFUMING | 0 · 5 | Green |
| PEG-40 Stearate | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 0 · 2 | Green |
| Stearyl Alcohol | SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, EMULSION STABILISING, SURFACTANT - FOAM BOOSTING, FRAGRANCE, OPACIFYING, REFATTING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 3 | Green |
| Xanthan Gum | BINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Sorbic Acid | FRAGRANCE, PRESERVATIVE · 限制 V/4 | 1 · – | Yellow |
| Dibutyl Hydroxy Toluene | Not decoded yet | — | — |
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
Ingredients explained
- Tretinoin
- Tretinoin, Rx 0.025-0.1%; phototoxic/allergenic, contraindicated in pregnancy, no acids, expect early irritation
- Stearic Acid
- Fatty acid emulsifier, white waxy solid; adds slip feel
- Isopropyl Myristate
- Light synthetic ester, fast-drying and non-greasy; high comedogenic risk, limit in acne-prone skin
- PEG-40 Stearate
- Water-soluble emulsifier for O/W; mild cleansing, high levels may be comedogenic, caution for sensitive skin.
- Stearyl Alcohol
- Stearic alcohol; fatty alcohol for emulsion thickening/structure, often blended with soaps, moderate comedogenicity.
- Xanthan Gum
- Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
- Sorbic Acid
- Preservative effective at low pH, often combined with sorbate salts; check regulatory limits
- Dibutyl Hydroxy Toluene
- Not decoded yet
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
Source: full ingredient list published on the product label, collected 2026-09-19. Ratings are our internal reading, not a regulatory conclusion. · Product page
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