Ferrous Sulfate
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About Ferrous Sulfate
Ferrous Sulfate is an inorganic salt.[1] In cosmetics, it is used to provide a temporarily tightening, astringent sensation to the skin or scalp and to leave the skin surface feeling fresh.[3] In Korea, it may be used at up to 6% in non-oxidative hair dyes, but it cannot be used in oxidative hair dyes.[2]
Ferrous Sulfate Details
- Ingredient function
- Astringent
- Main product categories
- Anti-Aging Essence, Hair Tonic
- INCI name
- FERROUS SULFATE
- CosIng ID
- 33930
Ferrous Sulfate References
- 대한화장품협회 화장품성분사전 · 성분코드 3591
- 법제처 — 화장품 안전기준 등에 관한 규정 (식약처 고시 제2026-19호) · 황산철수화물 (FeSO4ㆍ7H2O)
- European Commission — CosIng · substanceId 33930
Last updated
This ingredient information is based on publicly available scientific literature, cosmetic ingredient databases, and regulatory sources from various countries. Usage restrictions, permitted concentrations, and labeling requirements may vary by country, region, and product type.
Ingredient preference is a reference metric based on user review data. It does not indicate the efficacy or safety of the ingredient itself.
