DHT (Dihydrotestosterone) can both thicken and thin hair, depending on the location on the body. Here's a breakdown:
DHT's Dual Effect on Hair
The impact of DHT on hair follicles is not uniform across the body. It varies greatly depending on the area.
Scalp Hair: Thinning
- On the scalp, DHT is often associated with hair thinning.
- It causes hair follicles to shrink over time, producing finer and shorter hairs, eventually leading to hair loss.
Body Hair: Thickening
- In contrast, in other areas of the body, such as the underarms and genital area, DHT, along with other male sex hormones, promotes the thickening of hair follicles.
- This results in thicker, coarser hair growth in these regions.
DHT's Hair Follicle Impact: A Table
Area of the Body | DHT Effect on Hair | Outcome |
---|---|---|
Scalp | Reduces follicle size | Hair thinning and potential loss |
Underarms | Enlarges follicle size | Thicker hair growth |
Genital area | Enlarges follicle size | Thicker hair growth |
Key Takeaway
DHT's effect on hair is highly location-dependent. While it's often viewed negatively due to its association with scalp hair loss, it plays a vital role in the development of thicker hair in other areas of the body. Understanding this duality is crucial to understanding hormonal influence on hair growth.