Biotin
Also called vitamin B7, hair vitamins
Helps only if you are deficient, which is rare. Can skew lab tests.
- Evidence
- Weak
- Status in PH
- Supplement
- Typical monthly cost
- [TODO: price]
- Where it acts
- Whole scalp
- Time to see results
- No evidence of benefit without deficiency
A review of biotin for hair found benefit only in people with a deficiency or rare conditions[1]. High-dose biotin can interfere with some blood tests, including thyroid tests, so tell your doctor if you take it before a lab draw.
Prices and where to buy
[TODO: verified PH retail price]
Sold at: Watsons, Mercury Drug, iHerb, Shopee.
Related on the map
Also called ferritin test, thyroid test, TSH
Worth checking in diffuse shedding. Correct a deficiency before buying serums.
Telogen effluvium
ConditionAlso called TE, stress shedding, post-illness shedding
Sudden all-over shedding 2 to 4 months after a trigger. Usually temporary.
Saw palmetto
SupplementAlso called Serenoa repens
Weaker than finasteride in the one head-to-head study. Popular in PCOS stacks.
More in Whole scalp, diffuse shedding.
This guide is for information. Talk to a doctor or dermatologist before starting any prescription treatment.
Citations
- 1A review of the use of biotin for hair loss. Skin Appendage Disord, 2017.
- 2The role of vitamins and minerals in hair loss: a review. Dermatol Ther (Heidelb), 2019.
Status tag key: Supplement or cosmetic.