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Low-porosity hair typically doesn’t allow moisture in or out of the shaft easily, due to tightly packed openings in the cuticle. This porosity level also indicates that hair cuticles take longer ...
“Hair masks are a good solution for treating the hair and helping with its strength; leave-in conditioners and hair masks can help to seal gaps in the hair cuticles and protect the hair; and ...
Hair porosity refers to how your hair handles hydration and you can have high porosity hair or low porosity hair. This test will help you figure out which type you are and what products to use.
Scalp hair was reported to grow between 0.6 cm and 3.36 cm per month. The growth rate of scalp hair somewhat depends on age (hair tends to grow more slowly with age), sex, and ethnicity. [3] Thicker hair (>60 μm) grows generally faster (11.4 mm per month) than thinner (20–30 μm) hair (7.6 mm per month). [4]
Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, ...
Low hair porosity is when the hair cuticles are tightly shut. Low porosity hair has difficulty obtaining moisture but once moisture is absorbed it will remain moisturized. This porosity type is common with hair that has suffered little to no damage (either from heat styling tools or from chemicals) and thus it is the preferred porosity level ...
Determining your hair's porosity could be the key to addressing some of your biggest hair frustrations. Skip to main content. 24/7 Help. For premium support please call: 800-290 ...
Hair growth on the forehead is suppressed in a bilateral pair of periorbital fields. Without a widow's peak, these fields join in the middle of the forehead so as to give a hairline that runs straight across. A widow's peak results when the point of intersection on the forehead of the upper perimeters of these fields is lower than usual.