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The Selectif Pro device is an ultrasonic probe used to focus ultrasound energy precisely on a hair follicle which is gripped by the tweezer like handpiece. Ultrasound is channelled directly to the hair root where it is converted into heat. As a result, the temperature rise inhibits the hair’s re-growth. The skin in unaffected as the energy is applied directly on the hair shaft, and as this is not a light based device the presence of melanin as a chromophore is not necessary.

In this investigation, ten subjects were recruited and 8 completed the trial, all were female. All had white or grey hair on the chin and some also had fine pigmented hair that had failed to respond to at least 6 laser hair removal treatments.
Treatments were performed every 2-4 weeks and subjects had a median of 4 (3-6) treatments.

Overall assessment of efficacy 1 month afterBotox,laser hair removal,laser tattoo removal,acne treatments,anti ageing treatments, anti wrinkle treatments skin clinics, skincare, skn, sk:n last treatment session was rated by a scoring system of Score 1 (no benefit) to 6 (substantial improvement)
Practitioner average score was 4.8 (4-6) and subject average score 4.7 (4-6) indicated a high level of improvement.

Free text comments provided by subjects were: slower growth (5); softer hair (4); finer hair (5); very slow growth (2); 95% reduction (1); 80% reduction (2); 75% reduction (1); 50-60% reduction (1) 40-50% reduction (2). In response to the question ‘would you have treatment again?’ all 8 said yes. In response to the question ‘would you recommend the treatment to a friend?’ all 8 said yes. Patients were asked if they would pay for the treatment and given a range of costs from £50 (Euro 60) to £175 (Euro 210). They were asked to indicate the maximum they would pay for a treatment. All patients said they would pay, 4 chose £50. 3 chose £75 (Euro 90) and one chose £100 (Euro 120).

The operator found the device easy to use after initial training, the treatment was painless and there were no side effects.

Conclusions: The Selectif Pro Ultrasound device is a very promising tool for treating laser resistant hair with successful and substantial reduction in depigmented and fine hair. It is well tolerated with a low risk of side effects with high subject and operator approval.

Author: Sean W Lanigan MD FRCP DCH

Notes to Editors: About sk:n clinics: Established in 1990, sk:n has 20 years of experience and has carried out over 3 million treatments on more than 300,000 clients. sk:n is the UK's leading provider of affordable and innovative laser and rejuvenation treatments, including laser hair removal, injectable treatments, botox and acne treatments. Each of its 36 clinics nationwide is registered with the Care Quality Commission and each highly-trained team is headed up by an expert medical director. 10% of all UK dermatologists work for or with sk:n.

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