Frizz

[7] Some styling techniques can cause breakage, chipping of the hair cuticle, and other forms of damage which contribute to frizz.

[4] Excessive use of heat styling tools such as blow dryers and flatirons can weaken the hair, making it susceptible to breakage and split ends.

[16] In a humid environment, moisture penetrates the hair shaft and is absorbed into the cortex, causing the proteins there to swell.

Publicity photos of the silent film star Mary Pickford were often backlit, highlighting her halo of frizz, and the frizzy perm was a mainstay of 1980s Western fashion.

In the 1979 film My Brilliant Career, when the frizzy-haired Sybylla threatens to cut off all her hair, her aunt Gussie replies, "It'd be a pity to lose your finest asset.

"[18] Today, some people embrace their natural frizz, while others see it as a problem in need of a solution, and advertisements for hair products often present it as such.

Products and treatments that work well for one person may not work for another due to factors such as curl pattern, hair density, hair porosity, the amount of sebum produced, whether the individual strands are coarse or fine, protein levels (which are affected by one's diet), allergies to certain ingredients, regional humidity levels, and finally, subjective ideals of beauty.

Myriad products such as serums, pomades, and hair waxes are designed to reduce frizz, and each has its advocates and detractors.