The user has been microneedling at 0.25mm once a week for 4 weeks and noticed further hairline recession. They are concerned about the impact of vitamin deficiencies, like biotin, on hair growth.
A user shared a 25-day progress picture showing significant hairline restoration attributed to microneedling, in addition to using minoxidil and finasteride for 6 months. Other users discussed needle length, frequency, and whether the effects of microneedling are permanent.
The conversation is about using microneedling and PTD-DBM for hair loss treatment. The user applies PTD-DBM drops on weekdays and performs microneedling weekly.