Product Name : Hydrolyzed Keratin
Other Names: Keratin hydrolzsed; Hydrolyzed protein
CAS number : 69430-36-0
Appearance/Color : White powder,White crystalline
molecular formula：C2H2BrClO2
Applications ： hair care and beauty, food additive

# Understanding Hydrolyzed Keratin: Definition, Benefits, Effects, Applications, and Origin

## Definition

Hydrolyzed keratin is a water-soluble protein derived from keratin, a fibrous structural protein found in hair, skin, and nails. Through a process called hydrolysis, keratin is broken down into smaller peptides, making it more easily absorbed by the skin and hair. This transformation enhances its efficacy as a cosmetic ingredient, especially in hair and skincare products.

## Benefits

Hydrolyzed keratin offers several notable benefits:

1. **Hair Strengthening**: It penetrates the hair shaft, helping to strengthen and repair damaged hair, reducing breakage.

2. **Moisture Retention**: Hydrolyzed keratin can enhance moisture retention in both hair and skin, promoting hydration and elasticity.

3. **Frizz Control**: By smoothing the hair cuticle, it helps reduce frizz and improve manageability.

4. **Improved Texture**: Regular use can lead to smoother, shinier hair, enhancing its overall appearance.

5. **Skin Protection**: In skincare, hydrolyzed keratin can help reinforce the skin barrier, improving texture and hydration.

## Effects

The effects of hydrolyzed keratin can be particularly noticeable in individuals with damaged or brittle hair. It can lead to immediate improvements in texture and manageability. For skincare, it can provide a smoother appearance and enhanced moisture retention. Generally, hydrolyzed keratin is well-tolerated, but individuals with allergies to keratin should exercise caution.

## Applications

Hydrolyzed keratin is widely used across various industries, including:

1. **Hair Care Products**: It is commonly found in shampoos, conditioners, masks, and styling products aimed at repairing and strengthening hair.

2. **Skincare Products**: It is included in creams and lotions for its moisturizing properties and ability to improve skin texture.

3. **Cosmetic Formulations**: Hydrolyzed keratin is used in makeup products for its ability to enhance the smoothness and application of formulas.

4. **Nutritional Supplements**: Some dietary supplements feature hydrolyzed keratin to promote hair and nail health from within.

## Origin

Keratin is naturally present in the bodies of many animals, particularly in feathers, hooves, and skin. Hydrolyzed keratin is typically sourced from humanely obtained animal by-products, such as hair or wool. The hydrolysis process was developed in the late 20th century, leading to its increasing use in the beauty industry due to its beneficial properties for hair and skin.

## Conclusion

Hydrolyzed keratin is a powerful ingredient that offers substantial benefits for hair and skincare. Its ability to strengthen, hydrate, and improve the overall appearance of hair and skin makes it a valuable addition to many cosmetic formulations. As consumers become more aware of the importance of protein in beauty products, hydrolyzed keratin’s popularity is likely to grow, alongside innovations in its sourcing and application in both personal care and wellness products.