If the layers of the cuticle are very close together the hair was low porosity type.
Low porosity hair, the cuticles are tightly packed and really near collectively. This makes it more difficult for moisture to penetrate the hair shaft. you can have low porosity hair if: hair products have a tendency to sit on your hair and don't take in without problems.
Every hair shaft is made up of 3 layers: the cuticle, the cortex, and on occasion the medulla. The cuticle is the outermost layer. product of flattened cells that overlap like the tiles on a terra-cotta roof, the cuticle protects the inner of the hair shaft from damage.
if your hair stretches a lot (actually, it is an excessive amount of) earlier than it breaks: elasticity is high as it's lacking protein. All sorts of things can reason your hair to lose proteins: too much water, extra heat, excess manipulation, or chemical treatments.
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