What Is Keratin Protein, and How Does It Benefit Hair and Skin?

Question

I’ve recently started hearing a lot about keratin protein, especially in hair treatments and skincare products. I know that it’s naturally found in the body, but now I’m wondering—what exactly is keratin protein, and how does it benefit hair and skin?

From what I understand, keratin protein is a structural protein that helps keep hair, skin, and nails strong. But how does it work, and what causes keratin levels to decrease? Can factors like heat styling, pollution, or poor diet lead to keratin damage?

I also read that keratin treatments are commonly used to make hair smoother and shinier. But are these treatments safe, or do they cause long-term hair damage? Are there natural ways to boost keratin protein production in the body?

Since I prefer natural hair care, I looked into Ayurveda’s approach to maintaining healthy keratin levels. Are there Ayurvedic herbs, oils, or dietary changes that can naturally improve keratin protein production? I found that Amla, Bhringraj, and protein-rich foods are often recommended—do these actually help strengthen hair and skin?

For those who have used keratin protein treatments, what was your experience like? Did it improve hair health, or were there any side effects? I’d love to hear real insights on using keratin protein for hair and skin care naturally.

Dr Sujal Patil · Accepted Answer

Keratin is a fibrous structural protein that forms the building blocks of hair, skin, and nails, providing strength, resilience, and protection. It acts as a shield against environmental damage, heat, and chemicals. However, excessive heat styling, harsh hair treatments, poor nutrition, and exposure to pollution can weaken keratin, leading to brittle hair, dull skin, and weak nails. A decline in keratin levels may also result from aging or nutritional deficiencies, particularly in proteins, biotin, and essential vitamins.

Keratin treatments, often sought for smoother and shinier hair, work by infusing the protein into the hair cuticle and sealing it with heat. While they provide temporary benefits, some formulations contain formaldehyde or harsh chemicals that can weaken hair over time, making it prone to breakage. To boost keratin naturally, incorporating a protein-rich diet, biotin, and amino acids is essential. Foods like eggs, nuts, and fish support keratin production, while avoiding excessive heat styling and chemical treatments preserves natural keratin levels.

From an Ayurvedic perspective, strong hair and skin are linked to balanced Pitta and Kapha doshas, which govern nourishment and growth. Herbs like Amla (Emblica officinalis) provide high vitamin C content, enhancing collagen and keratin synthesis. Bhringraj (Eclipta alba) nourishes the scalp, strengthens hair follicles, and prevents premature graying, while Brahmi supports overall hair vitality. Regular use of herbal oils like coconut or sesame infused with Bhringraj and Amla, along with a nutrient-rich diet, can naturally boost keratin levels, promoting healthier hair and skin without the risks of synthetic treatments.

What Is Keratin Protein, and How Does It Benefit Hair and Skin? - #15778

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