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Hypo pigmentation can occur as a result of autoimmune disease like Vitiligo or as a consequence of post-inflammatory reaction following a skin injury as result of sun exposure or treatments associated thermal or chemical burn. Micro needling therapy is well recognized as treatment of excessive pigment deposition, but it also can be effective for cases with the pigment loss due to a post-inflammatory reaction. Depth of needles is quite important in this instances, derma-stamp is more preferable as depth of penetration into skin is more predictable. Furthermore,perpendicular to the skin surface insertion of needles is also less painful, as a rotating motion of a derma-roller can cause micro-tears of skin and that can be more painful. Micro-needling is unlikely to be effective in cases of Vitiligo.
Hello and thank you for the question. Derma rolling skin can cause hyperpigmentation, especially if your skin has a significant amount of pigment (Fitzpatrick Class IV or greater). In general, in people who may be at higher risk for hyper-pigmentation, I will generally place them on a...
DermaRollers are ideal for mild, early rolling acne scars, however for deeper ice pick scars, procedures such as TCA CROSS or surgical punch excision works the best. See below for more on how I perform TCA CROSS and the before and afters. All the best, Dr Davin S. LimLaser and...
I agree with the posts by Drs. Persky and Chen. A muscle relaxer like Botox or Dysport is the answer for the transverse forehead line. They are caused by over activity of the Frontalis muscle and will relax with a proper application of either one of these agents. You must be careful though that...
