The Science of Hair Shape

The Science of Hair Shape - Joan Morais Cosmetics School
The Science of Hair Shape Joan Morais Cosmetics School

A cosmetic formulator, the hair formulator, develops products for hair shape. Hair care products perform differently on different shapes of hair. This science of hair shape diagram shows how the shape of the hair starts in the follicle deep into the skin. To learn more about the follicle and anatomy of hair, read this post.

Hair shape is decided by the cross-sectional appearance and the diameter size. Natural hair is predetermined.

Straight Hair

Straight hair cuticles lay flat; therefore, oils and ingredients can easily attach to the hair and weigh it down.

Kinky Hair

Kinky hair has lots of twists and bends and is very fragile.

Curly Hair

Curly hair strands are usually dry, brittle, fine and fragile. The cuticle scales do not lay flat and don’t allow moisture to penetrate.

Wavy Hair

Wavy hair can appear straight, yet with a little humidity, it can become frizzy and curly. The cuticle stands out, therefore sebum (natural oil) does not make it to the ends and this causes dry ends.

Become a Hair Formulator

Study to become a hair formulator, the Professional Hair Care Formulation Diploma Course covers everything you need to formulate and make natural hair products.


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