Microneedling at depths greater than 0.6 mm may damage miniaturized hair follicles, with 0.5 mm showing better results for hair regrowth. Combining microneedling with minoxidil enhances absorption, but caution is advised to avoid damaging follicles.
The conversation is about using a Dr. Pen for microneedling on a widow's peak, with advice to use a depth of 1.25mm and hold it in place for 10 seconds. The user is also using minoxidil.
The user has been using topical finasteride and minoxidil for two years with decent regrowth and recently added microneedling to their routine. They are questioning if the small hairs observed are new regrowth from microneedling or just vellus or miniaturized hairs.
This post and conversation are about the molecular mechanisms triggered by microneedling, specifically its effects on inflammation, tissue remodeling, epithelial proliferation, differentiation, and collagen synthesis. The discussion highlights the potential benefits of microneedling for hair loss treatment.
A user shared a video suggesting that 0.5mm microneedles are most effective for hair growth. Other users mentioned different microneedle lengths and advised consulting a dermatologist for personalized treatment.