Flammable.
Yes, of course.
No, keratin is protein No, keratin is protein
Yes. *Don't mix with flameable things
Keratin is a tough, fibrous protein. There are two types of keratin: alpha- and beta-keratin. Alpha-keratin is softer and is found only in mammals.
No, it is keratin. Keratin.
Keratin is a polymer
Keratin is the protein that strengthens and waterproofs the epidermal layer of the skin.
Keratin
Keratin
Keratin.
Keratin