"There are three types of bonds in our hair: disulfide bonds, hydrogen bonds, and covalent bonds," explains medical and aesthetic dermatologist Kiran Mian, DO, FAAD. "Disulfide bonds are ...

but the company claims that it contains molecules to relink disulfide bonds. One advantage to Epres' formula is that it's acid-free, meaning it won't alter the pH of the hair. Personally ...

Three different types of bonds hold together these proteins, each responsible for another job but all working together for the overall health of the hair follicle. The first is the disulfide bond ...

Beauty trends may come and go, but well-maintained lashes and brows remain a fundamental aspect of personal grooming. These facial features enhance symmetry, define expressions, and contribute to a ...

They tick a lot off my list of hair woes. “They repair hair damage by rebuilding disulfide bonds, strengthening weak hair, reducing breakage and supporting length retention,” says Liberos.