sade087

Updated: June 2016 There are any number of serious reasons your hair can suddenly start to fall out - illness, thyroid disease, nutrient deficiency, extreme physical stress or many other diseases or medications. These are important to consider. Hair loss is a signal of something wrong. I'm skipping the more serious problems and going right to the things you put on your hair! Let's talk about friction. You need friction to stop on roller skates, on a bicycle, in a car. Smooth ice = low friction and you just keep going when you try to stop. Rough pavement = plenty of friction to slow your motion and your tires wear down over time. Friction is an issue for anybody with more than a half inch of hair because there is a lot more to hair care than moisture or protein or whatever the bottle or shampoo or conditioner says a product is for. Some people have healthy hair that doesn't need a lot of extra help staying hydrated, but it does need extra lubrication. The longer your hair is...

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...