CAS NO.9003-39-8
Product type: Water-soluble polymer
Chemical name:Polyvinylpyrrolidone
USP/EP name:Povidone
INC/CTFA name:PVP
Molecular formula:(C₆H₉NO)n
Ingredients: PVP, water, thickener, etc.
Features: Transparent, high viscosity aqueous liquid.
Due to its excellent physical and chemical properties and good compatibility with skin and hair.
Characteristic
White free flowing hygroscopic powder,freely soluble in ethanol,methanol,slightly soluble in acetone.
Because of its solubility in water and in many organic solvents,its high binding power and ability to form complexes,soluble polyvinylpyrolidone occupies a special position among the synthetic colloids.
Specification
| DMF FILE NO. | 033506 | 033415 | 032698 | 033592 | |||||
| SUNVIDONE | K12 | K15 | K17 | K25 | K30 | K90 | |||
| Colour(5%in water)min | BY6,B₆ | BY6,B₆ | BY6,B₆ | BY6,B₆ | BY6,B₆ | BY₆,B₆ | |||
| K value | 10.2-13.8 | 12.8-17.3 | 15.3-18.4 | 22.5-27.0 | 27.0-32.4 | 81.0-97.2 | |||
| Impurity A,ppm max | 10 | 10 | 10 | 10 | 10 | 10 | |||
| Impurity B,%max | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |||
| Formic Acid.%max | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |||
| Peroxides,ppm max | 400 | 400 | 400 | 400 | 400 | 400 | |||
| Aldehyde,ppm max | 500 | 500 | 500 | 500 | 500 | 500 | |||
| Hydrazine,ppm max | 1 | 1 | 1 | 1 | 1 | ||||
Application
Hair care products: PVP is widely used in various hair care products, especially in hair styling products such as hair gel, hair wax and styling spray. It can form a transparent protective film to help fix the hairstyle, keep the hair smooth and soft, and have a long-lasting styling effect.
Skin care products: PVP, as a moisturizer and thickener, can help products form a water-locking film on the skin surface to prevent water loss and keep the skin hydrated. It is often used in products such as creams, essences, and lotions to improve the ductility and absorption of products.
Makeup products: PVP is also very common in makeup products, especially in foundation, lipstick, eye shadow and other products. It can increase the adhesion and durability of the product, making the makeup more evenly and stably attached to the skin.
Personal care products: PVP is also widely used in various personal care products, such as shaving foam, toothpaste, mouthwash, etc. In toothpaste, it can act as a film former and stabilizer to help prevent the separation of ingredients in the formula. In mouthwash, PVP helps clean the mouth and improves the feeling of oral freshness after use.
FAQ
1.Is PVP suitable for sensitive skin?
Yes, PVP has good skin compatibility and usually does not cause irritation or allergic reactions, so it is suitable for all skin types, including sensitive skin. However, since everyone's skin condition is different, it is recommended to perform a skin test before use.
2.. What is the role of PVP in hair care products?
In hair care products, PVP can form a transparent protective film to help fix the hairstyle and increase the gloss of the hair, while preventing the invasion of external moisture and keeping the hairstyle durable and not deformed.
3. Will PVP cause damage to the skin or hair?
Under normal circumstances, PVP is safe and will not cause damage to the skin or hair. Its main function is to form a film on the surface, which is easy to wash off and will not remain on the skin or hair. However, long-term uncleaning may cause pores to become clogged or the hair to become less fluffy.
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