Do Hair Extensions Lighten In The Sun. To prevent excessive bleaching which causes hair to become brittle and break do not allow a commercial or natural bleach to remain in the hair too long. After applying the lemon juice to your hair blow it dry with hot air from a hair dryer instead of sitting in the sun.
It gets broken down by the sun but in your skin the melanin gets replaced when melanocytes put new melanin into your skin. You are right in thinking that melanin has something to do with the answer. The spice may even act as a natural sun protectant by reflecting UV rays.
Once it comes out of you once its grown all the melanin it will ever have has already been put into it.
Does Sun-in spray continue to lighten your hair after it has dried. Ben - This is basically because hair is dead. For those looking to the sky for a lighter shade this preps hair to be gradually lightened by the sun sans brassiness. Sunlight can lighten the colour of you hair extensions quicker than it would your own often leading your hair extensions to look a slightly different colour to your natural hair.