Aliases: PVP/VA
CTFA/INCI: VP/VA copolymer
CAS N0.25086-89-9
Trade Name: Luviskol VA (BASF), PVP/VA (ISP)
Origin: Zhejiang, China
Powder: Yes
Certification: ISO 9001
Appearance: White or light yellow
Packages: 20KG or 25KG net in fiber drum or PP drum
It is a common functional ingredient in cosmetics, mainly used in skin care products, hair products and makeup.
Characteristics
- White, light yellow free-flowing powder or clear solution.
- Has a characteristic odor.
- Powder is hygroscopic.
- Soluble in water, ethanol and other organic solvents.
Specification
| PVP/VA | K value | Residual single (%) | Water content (%) | Solid content (%) | PH value (10% aqueous solution) | Solvent system |
| 73W | 28±4 | ≤0.2% | Ca.50% | 50±2% | 4-7 | Aqueous solution |
| 73I | 28±4 | ≤0.2% | ≤0.5% | 50±2% | - | Isopropyl solution |
| 73E | 34±4 | ≤0.2% | ≤0.5% | 50±2% | - | Ethanol solution |
| 64Pdr | 30±4 | ≤0.2% | ≤5.0% | ≥95% | 4-7 | Powder |
| 64W | 30±4 | ≤0.2% | Ca.50% | 50±2% | 4-7 | Aqueous solution |
| 64I | 28±4 | ≤0.2% | ≤0.5% | 50±2% | - | Isopropanol solution |
| 64E | 33±3 | ≤0.2% | ≤0.5% | 50±2% | - | Ethanol solution |
| 55I | 25±3 | ≤0.1% | ≤0.5% | 50±2% | - | Isopropanol solution |
| 55E | 28±4 | ≤0.1% | ≤0.5% | 50±2% | - | Ethanol solution |
| 37I | 25±3 | ≤0.1% | ≤0.5% | 50±2% | - | Isopropanol solution |
| 37E | 30±4 | ≤0.1% | ≤0.5% | 50±2% | - | Ethanol solution |
| 28I | 19±3 | ≤0.1% | ≤0.5% | 50±2% | - | Isopropanol solution |
| 28E | 23±4 | ≤0.1% | ≤0.5% | 50±2% | - | Ethanol solution |
Application
- Widely used in skin care products, hair products, cosmetics and other fields. Commonly used in hair products such as hair spray, hair wax, and styling spray, it plays a role in long-lasting styling.
- Used in makeup products such as foundation, mascara, and eyeliner to help the product adhere to the skin better and prolong the durability of the makeup.
- Used in some moisturizing skin care products, such as lotions and creams, to enhance the moisturizing effect of the skin.
Precautions:
Although vinyl pyrrolidone polymer is generally considered safe, in some cases, especially on sensitive skin, high concentrations may cause mild irritation. It is recommended to perform a small area skin test before using products containing this ingredient.
FAQ
1.Is vinyl pyrrolidone polymer safe?
It has passed multiple toxicology tests and meets the requirements of cosmetic regulations in various countries. It does not usually cause skin irritation or allergic reactions.
2 How does it help hair styling?
It can form a transparent film on the surface of hair, providing a styling effect while keeping the hair soft and natural without feeling stiff.
3. What are the benefits of using vinyl pyrrolidone polymer in cosmetics?
Persistence: It can extend the durability of cosmetics and hairstyles.
Waterproofness: The polymer can provide good waterproof effect, so that the product remains effective in a humid environment.
4. Will vinyl pyrrolidone polymer cause allergic reactions?
Most people will not have any adverse reactions, but for a very small number of people with sensitive skin, there may be a slight allergic reaction. It is recommended to perform a skin test before using a product containing this ingredient for the first time.
5. Is it suitable for sensitive skin?
Although this ingredient is generally safe, users with sensitive skin should still use it with caution. It is best to consult a dermatologist or do a local test before use.
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