Cosmetic - Rainbow

Product Introduction

Polyvinylpyrrolidone is a polymer compound widely used in cosmetics. It has excellent film-forming properties, solubility and non-toxicity, so it is considered a safe and effective cosmetic raw material. Due to its good safety and no allergic reactions, it has become one of the common raw materials in the cosmetics industry.

INCI name(s)：
PVP

Chemical Description：
Homopolymer of vinylpyrrolidone

Physical Form:
White to slightly yellowish powder

Structural Formula:

Monomer Unit Molar Mass：
111.14 g/mol
MW polymer (BASF method, GPC) about 1.200 000 (+/- 100 000) g/mol

CASR-No.：
9003-39-8

Ingredient：
Polyvinylpyrrolidone

Technical Information

Test property				Specification
Viscosity Brookfield (23 °C; 20 % sol.; RVT, sp. 7/100 rpm)				10000 - 30000 mPas
Solids content (60 min., 140 °C, vacuum)				95.0 - 100.0 %
pH value (10 % in water)				5.0 - 9.0
k value (1 % (m/V) in water)				88.0 - 96.0
Vinylpyrrolidone (HPLC)				max. 100 ppm

Polyvinylpyrrolidone Advantages

Good film-forming property

PVP can form a transparent protective film on the surface of skin or hair, making hairstyles more durable and preventing hair from deforming in a humid environment. It is used in styling products.

Excellent solubility

PVP has good solubility in water and a variety of solvents, which makes it easy to formulate into various cosmetic formulas, whether in water-based or oil-based products, it can maintain uniform distribution.

High safety

PVP is a non-toxic, hypoallergenic substance that does not irritate the skin or hair. It is suitable for all skin types and does not cause sensitive reactions. It is widely used in skin care products, hair products and makeup.

Moisturizing properties

PVP has good moisturizing ability and can help lock the moisture of the skin or hair, keeping it soft and moisturized. It is often used in skin creams, moisturizing lotions and facial masks.

Application

PVP is a polymer compound widely used in cosmetics. Its main functions in cosmetics are as a film former, thickener, dispersant and moisturizer. The following is a detailed introduction:

For cosmetic

1. Film former: PVP can form a thin film on the surface of skin and hair, which is used in styling products such as hair spray and wax. This film helps maintain the stability of the hairstyle and prevents the hair from being scattered in a humid environment.

2. Thickener: PVP has good thickening properties, which can increase the viscosity of cosmetics, making the product easier to apply and evenly distributed. It is often used in lotions, creams and skin care products.

3. Dispersant: It can also help evenly disperse other ingredients, such as pigments or active substances, to ensure that the texture of the product is uniform and smooth.

4. Moisturizer: PVP has a certain moisturizing effect, which can help lock in moisture and improve the dryness of the skin. Therefore, it is often used in moisturizers, facial masks and other skin care products.

FAQ

1.What are the functions of PVP in cosmetics?
The main functions of PVP in cosmetics include: film formation, thickening, dispersion, moisturizing and improving the feel of the product. It can form a protective film on the surface of the skin or hair to enhance the adhesion of the product.

2.How safe is PVP?
PVP is widely regarded as a safe cosmetic ingredient, hypoallergenic and non-irritating to the skin, suitable for all skin types. According to the evaluation of international cosmetic ingredients, the use concentration of PVP is safe within the recommended range.

3.What types of cosmetics are suitable for PVP?
PVP can be used in many types of cosmetics, including skin creams, moisturizing lotions, facial masks, hair products (such as hair spray, hair wax), makeup (such as mascara, eyeliner), etc.

4.What are the benefits of using cosmetics containing PVP?
Using cosmetics containing PVP can help improve the durability and stability of the product, enhance the moisturizing effect of the skin and hair, and make the makeup last longer.

5.Is PVP environmentally friendly?
PVP is a biodegradable polymer, and its relatively low environmental impact makes it popular in cosmetics, but the specific environmental impact also depends on its final disposal method.