erha21 Acne Clarifying Gel
erha21 Erha21 Acne Clarifying Gel lists 17 ingredients on its label, 17 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 sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains alcoholContains PEGContains siliconesContains fragranceContains parabens
Key ingredients
- SOLVENT
- Aqua
- BUFFERING
- Glycolic AcidLactic Acid
- 溶剂
- Ethyl Alcohol
- SMOOTHING
- Niacinamide
- SURFACTANT - EMULSIFYING
- PEG-7 Glyceryl Cocoate
- EMULSION STABILISING
- Allyl Methacrylates Crosspolymer
- HUMECTANT
- Ethoxydiglycol
Other ingredients
Salicylic AcidSodium HydroxideCapryloyl GlycineCaprylyl MethiconeAcacia Senegal GumXanthan GumMentholMethylparabenPropylparaben
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Aqua | SOLVENT | 0 · 0 | Green |
| Glycolic Acid | BUFFERING | 2 · 0 | Green |
| Ethyl Alcohol | 溶剂, 渗透促进剂, 皮肤调理剂 | 1 · 0 | Green |
| Niacinamide | SMOOTHING | 0 · 0 | Green |
| PEG-7 Glyceryl Cocoate | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Allyl Methacrylates Crosspolymer | EMULSION STABILISING, OPACIFYING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Ethoxydiglycol | HUMECTANT, SOLVENT, PERFUMING · 限制 III/297 | 0 · 0 | Green |
| Lactic Acid | BUFFERING, HUMECTANT, SKIN CONDITIONING | 1 · 0 | Green |
| Salicylic Acid | ANTI-SEBORRHEIC, HAIR CONDITIONING, KERATOLYTIC, FRAGRANCE, PRESERVATIVE, SKIN CONDITIONING · 限制 III/98 V/3 | 2 · 0 | Yellow |
| Sodium Hydroxide | BUFFERING, DENATURANT · 限制 III/15a | 3 · – | Green |
| Capryloyl Glycine | ANTI-SEBORRHEIC, ANTIMICROBIAL, ANTI-SEBUM, DEODORANT, HAIR CONDITIONING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Caprylyl Methicone | SKIN CONDITIONING | 0 · – | Green |
| Acacia Senegal Gum | FILM FORMING, FRAGRANCE | 0 · 0 | Green |
| Xanthan Gum | BINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Menthol | DENATURANT, FRAGRANCE, REFRESHING, SOOTHING · 限制 III/338 | 2 · 0 | Yellow |
| Methylparaben | FRAGRANCE, PRESERVATIVE · 限制 V/12 | 0 · 0 | Yellow |
| Propylparaben | PRESERVATIVE, PERFUMING · 限制 V/12 | 1 · 0 | Yellow |
Ingredients explained
- Aqua
- Solvent, main base; microbial control is critical
- Glycolic Acid
- Glycolic acid for exfoliation; requires buffering at concentrations >10%, avoid combination with other acids.
- Ethyl Alcohol
- Ethanol as solvent, penetration enhancer, and preservative booster; high levels can dry skin, use caution for sensitive types
- Niacinamide
- Niacinamide at 2–5%; improves texture, controls oil, brightens; high levels may cause sensitivity
- PEG-7 Glyceryl Cocoate
- PEG-modified nonionic surfactant for emulsification and cleansing; contains PEG, monitor dioxane, low comedogenicity.
- Allyl Methacrylates Crosspolymer
- Film-forming and thickening polymer for emulsion stabilization; watch double bond residue and crosslinker reaction.
- Ethoxydiglycol
- Ethoxydiglycol; high-perf solv/humectant; low irrit, EU limit 20%, watch total PEG load
- Lactic Acid
- AHA pH adjuster at 0.5-5%; exfoliation/humectancy, mild at low conc., irritating at high, avoid conflict with alkaline preservatives.
- Salicylic Acid
- Lipophilic BHA at 0.5-2%; exfoliant/sebum control, irritation/sensitization at high conc., photosensitivity (SPF needed), avoid sensitive/pregnant.
- Sodium Hydroxide
- Strong base neutralizer for pH adjustment; handle with extreme care
- Capryloyl Glycine
- Functional surfactant with seborrhea-control properties; suited for oily or acne-prone skin.
- Caprylyl Methicone
- Volatile silicone, fresh feel, does not absorb oil, used in foundations and cushions.
- Acacia Senegal Gum
- Natural film-former and fragrance agent; used for viscosity or film, check purity for allergens
- Xanthan Gum
- Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
- Menthol
- Cooling and soothing agent at 0.5–2%; high levels may cause sensitivity or irritation, use caution around eyes and mucous membranes
- Methylparaben
- Preservative, narrow spectrum; often combined, check allergen risk and regulatory limits.
- Propylparaben
- Medium-chain preservative; restricted use, pH-sensitive efficacy.
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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