ZINC ASCORBATE HYDROXIDE
Commonly Found In
Overview
ZINC ASCORBATE HYDROXIDE is a cosmetic ingredient primarily used for HAIR CONDITIONING. It is commonly found in various cosmetic formulations and serves important functions in personal care products.
Also known as: Zinc Vitamin C Hydroxide, Zinc Ascorbate Hydroxide
Key Benefits
Studies suggest zinc ascorbate hydroxide may help provide antioxidant protection from its vitamin C component and skin-protective properties from its zinc component. It may help support skin barrier function and could help reduce the appearance of dull skin tone.
Skin Compatibility Ratings
Comedogenic Rating
Zinc-ascorbic acid complex; no comedogenic potential expected based on constituent properties.
Source: Assessment based on component profile (zinc compound + ascorbic acid derivative)
Irritancy Rating
Generally well-tolerated; mild irritation possible at higher concentrations due to ascorbic acid component.
Source: Assessment based on zinc salt irritancy data and ascorbic acid pH sensitivity
Typical Use Concentration
Range
0.5β5% (where permitted)
Optimal
1β3%
Concentration governed by total zinc limits under EU Annex III where applicable.
Works Well With / Avoid
Works Well With
Use With Caution
EU restricts zinc compounds (Annex III/24) due to zinc exposure concerns. The vitamin C component provides antioxidant activity while zinc provides skin-protective properties.
Commonly Found In
Global Regulation Summary
Overview of current status across major international markets.
Detailed Regional Status
| Region | Status | Max Conc. | Conditions | Source |
|---|---|---|---|---|
| πͺπΊ EU | Banned | - | - | Official β |
| πΊπΈ USA | Allowed | - | - | Official β |
| π―π΅ Japan | Allowed | - | - | Official β |
| π°π· Korea | Unknown | - | - | Official β |
| π¬π§ UK | Restricted | - | Follows EU regulations (III/24) | Official β |
π Why Regulations Differ
The EU restricts zinc compounds in cosmetics under Annex III/24 with concentration limits to prevent overexposure. The US and Japan allow zinc compounds with general safety oversight.
Regulation Analysis
Regional Agreement
Banned in EU but allowed in USA, Japan.
Category Comparison
There are 174 ingredients in the HAIR CONDITIONING category. 99% are banned in at least one major market.
Strictness Ranking
πΏ Natural Sources
Not found in nature. A synthetic compound combining zinc with ascorbic acid (vitamin C) and hydroxide to create a multifunctional ingredient.
π How It's Made
Synthesized by reacting zinc oxide with ascorbic acid in controlled aqueous conditions. The resulting complex provides both zinc's skin-protective properties and vitamin C's antioxidant benefits.
π Uses in Cosmetics
Used in cosmetic products primarily for hair conditioning, skin conditioning, skin protecting, uv absorber.
π¬ Other Applications
Limited non-cosmetic uses. Zinc ascorbate (without hydroxide) is used as a dietary supplement combining zinc and vitamin C benefits.
π‘ Fun Facts
- β’ This ingredient tries to solve two problems at once: delivering vitamin C (antioxidant) and zinc (skin protection) in a single stable molecule
- β’ Zinc and vitamin C are both essential nutrients that many people are deficient in, making this combination particularly appealing for skin health
- β’ The EU restricted it due to the hydroxide component's potential for skin irritation at higher concentrations
Related Skin Concerns
Data Sources
- β’ EU CosIng database β Annex III/24
- β’ Research on zinc and vitamin C skin benefits
- β’ FDA cosmetic ingredient database
Last data verification: 2026-04-12
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CANNABIDIOL - SYNTHETICALLY PRODUCED
CANNABIS SATIVA FLOWER/LEAF/STEM EXTRACT
HYDROLYZED HAIR KERATIN
BHA
SALICYLIC ACID
Learn More
Frequently Asked Questions
Why is ZINC ASCORBATE HYDROXIDE banned in the EU but allowed in the US?
The EU follows a precautionary principle, banning ZINC ASCORBATE HYDROXIDE under III/24 due to potential safety concerns. The US FDA has not found sufficient evidence to prohibit its use, allowing it under different safety assessment standards. This reflects differing regulatory philosophies between the two regions.
Why is ZINC ASCORBATE HYDROXIDE banned in the EU but allowed in Japan?
The EU prohibits ZINC ASCORBATE HYDROXIDE (III/24) based on their strict safety criteria. Japan's Ministry of Health, Labour and Welfare (MHLW) has evaluated the ingredient and permits its use, potentially with different safety data or usage conditions.
What is ZINC ASCORBATE HYDROXIDE used for in cosmetics?
ZINC ASCORBATE HYDROXIDE is primarily used for hair conditioning in cosmetic products. It also serves as skin conditioning, skin protecting. The ingredient is commonly found in various cosmetic and personal care products.
Which countries regulate ZINC ASCORBATE HYDROXIDE?
ZINC ASCORBATE HYDROXIDE is banned in EU. It has concentration limits or usage restrictions in UK. The ingredient is freely allowed in JP, US.
Are there alternatives to ZINC ASCORBATE HYDROXIDE?
Due to regulatory restrictions on ZINC ASCORBATE HYDROXIDE, cosmetic manufacturers often use alternative ingredients with similar functions. For hair conditioning, alternatives may include other approved ingredients in the same category. Consult product labels for specific formulations, and look for products compliant with your region's regulations.
Disclaimer
The information on this website is for educational and informational purposes only and is not intended as medical advice. While we strive for accuracy based on official government databases, cosmetic regulations change frequently. Always consult with a qualified professional or refer to the latest official regulatory documents for compliance. We are not responsible for any actions taken based on the information provided here.