Paradoxical hypertrichosis after laser. 6% to 10%, and most commonly occurs on the face and neck. All laser and light sources have the potential to cause hair induction, especially in individuals with darker skin types (III–VI); with dark, thick hair; and with underlying hormonal conditions. The aim of this study was to retrospectively identify the cause of this side effect. . Apr 4, 2024 · In our clinic, we observed paradoxical hypertrichosis after laser hair removal in a small minority of cases, as described by others. Apr 6, 2025 · Instead of just another overview, this article directly addresses why hair sometimes grows more intensely after laser hair removal, what paradoxical hypertrichosis means for your hair removal journey, and how you can manage or even reverse this unusual outcome. Paradoxical hypertrichosis is a rare side effect of laser hair removal; the pathogenesis of this event remains widely unknown. We recommend further large-scale studies to investigate this effect. Jan 31, 2024 · Laser hair removal (LHR) is one of the most requested cosmetic procedures worldwide. It causes an increase in denser, coarser, or darker hair, essentially the opposite effect of what you wanted when you decided on laser hair removal. In those patients, the laser treatments were considered the most likely cause for hypertrichosis, because hair growth occurred exclusively at treated sites. We did not observe differences in incidence related to skin type, but daily sun protection and LHR with diode laser SHR were associated with significant reductions in … RESULTS Paradoxical hypertrichosis has a low incidence, ranging from 0. All 3 of our patients had black hair and skin phototype IV. 6%, 95% confidence interval: 0. Learn its causes, prevention, and expert solutions at Isya Aesthetics. What is paradoxical hypertrichosis, how laser hair removal causes paradoxical hypertrichosis, who can get it, how it can be avoided, and testimonials from people who have experienced it. Oct 4, 2021 · This article reviews the various laser and light-based devices used for hair removal along with the various laser and patient parameters that affect the outcome of laser treatment for hair Jul 1, 2005 · We sought to retrospectively review the prevalence and features of this paradoxical effect. 01-1. We sought to retrospectively review the prevalence and features of this paradoxical effect. This was a single center, retrospective study that included all patients who underwent laser hair removal during a 4-year period with a long-pulsed alexandrite laser. 9%). A rare but significant adverse effect with this treatment modality is paradoxical hypertrichosis. Paradoxical hypertrichosis after laser epilation Abdulmajeed Alajlan, MD, Jerry Shapiro, MD, FRCPC, Jason K Rivers, MD, FRCPC, Nina MacDonald, BScN, Judy Wiggin, RN, and Harvey Lui, MD, FRCPC Vancouver, British Columbia, Canada Jul 1, 2005 · Of 489 patients, 3 reported postlaser epilation hypertrichosis during a 4-year period (0. Sep 21, 2022 · Paradoxical hypertrichosis is a rare side effect of laser hair removal and intense pulsed light hair removal therapy. At our center a small proportion of patients have spontaneously reported what they believed to be increased hair growth at sites of previous laser epilation. A rare side effect is the appearance of excess hair around previously treated areas, known as paradoxical hypertrichosis. Paradoxical hypertrichosis causes unexpected hair growth after laser hair removal. Mar 2, 2010 · BACKGROUND Laser hair removal is a safe and effective procedure for the treatment of unwanted body hair but is not exempt from side effects. ssthnqq xshut ettht xqspv hsozi fvk dhvi inhnek euscv rtn