Bacteria Display Differential Growth and Adhesion Characteristics on Human Hair Shafts

Sodium dodecyl sulfate, oleic acid, and palmitoleic acid may promote hair growth, but their safety and effectiveness for humans are uncertain. Users consider trying these treatments cautiously, exploring alternatives like ostrich oil and microneedling.

The conversation is about comparing keratin hair fibers to Gossypium Herbaceum hair fibers for diffuse hair loss. The user prefers keratin fibers for their durability and is seeking a bulk purchase option.

A user observed orange fluorescence on their nose and hair under a black light, indicating Cutibacterium acnes, which may contribute to hair loss alongside androgenic alopecia. A suggestion was made to use coal tar shampoo to address the issue.

Probiotics like L. reuteri ATCC PTA 6475 and B. longum BB536 may improve hair growth and density by reducing inflammation and reversing DHT damage. The user is trialing these probiotics personally, ordering them from the U.S. to Canada, and plans to continue if no adverse effects occur.

Lactobacillus reuteri 6475 is being used by a person who reports healthier hair after one month, despite initial shedding. The discussion includes speculation about its effects on gut bacteria and scalp inflammation.

Saw palmetto's fatty acids, particularly lauric and linoleic acids, inhibit enzymes linked to hair loss, while sterols like beta-sitosterol are less effective due to poor absorption. The conversation questions which specific compounds in saw palmetto contribute to its anti-androgenic effects.