Hormones | Eyelash Serum
Hormones Eyelash serums contain hormones that stimulate growth by intervening in the growth cycle of the eyelashes. The cycle consists of a growth, transition and resting phase. During the growth phase, the lashes grow about 0.15mm per day and reach their maximum length. The transition phase, which lasts about 15 days, follows the growth phase, … Hormones | Eyelash Serum