sade087

I work outdoors, sometimes all day for a week at a time in spring, summer or autumn. So I know a thing or two about what makes an ideal hat. What does this have to do with hair, skin and the meaning of life? Bear with me, please. 1) A proper hat protects your eyes. Shading the eyes prevents migraines, cataracts and squinting which can cause headaches. ©Science-y Hair Blog 2013 2) A good hat keeps the sun off your scalp and hair. Hair protects the scalp. Hats protect the hair and scalp.  When hair is exposed to 200 hours of ultraviolet radiation from sunlight, the cuticle edges begin to fuse as the cuticle “shrinks.” As it shrinks, tiny openings are created and these are known as "porosities." After 400 hours, porosity continues to increase with further cuticle damage, and after 1200 hours, the cuticle becomes rigid, brittle, and may crack, leading to even further increases in porosity. If your hair grows the "average" of up to 6 inches per year (15 cm) and you get s...