the.com/microneedling
controlled skin trauma, sold as self-care, wielded with a pen full of needles.
means a cosmetic procedure that pricks the skin with tiny needles to trigger collagen production and smooth texture over time.
from rooted in 1990s dermatology experiments with needle rollers for scar treatment, it went mainstream once beauty brands rebranded 'controlled injury' as a glow-up ritual.
depth matters0.5mm helps skin, 3mm needs a professional
real mechanismwounds trigger collagen, not magic serums
at-home riskdirty rollers can cause infection or scarring
results delayvisible improvement takes weeks, not days