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This studies was designed to investigate the importance of skin type and UV-exposure on side effects after exposure to an Intense Pulsed Light Home-use device.
21 healthy subjects will receive 8 UV-exposures on one buttock and subsequently three weekly IPL-exposures.
Twenty-one healthy subjects will be exposed to UV-exposures 8 times over 3 weeks on a test-area (4 x 6cm) on one buttock to induce pigmentation. This will be followed by 3 weekly IPL (intense pulsed light) exposures. At 24 hours after the first IPL exposure, biopsies will be excised from the buttocks of the subjects (4 each).The skin will be evaluated after IPL exposure for: skin reactions, pain and mRNA expression of two pigment markers. Follow-up visits is planned at 1 and 4 weeks after the third and final IPL exposure.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| IPL after UV-exposure | Experimental | 8 UV-exposures followed by 3 weekly IPL exposures |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| IPL-home use device | Device | A light based home use device for hair removal |
|
| Measure | Description | Time Frame |
|---|---|---|
| Changes in skin reaction development | Redness, edema, pigment changes, texture changes, blisters and crusting | Immediately after, 1 hr after, 16-24 hrs after, 1 week and 4 weeks after IPL exposure |
| Measure | Description | Time Frame |
|---|---|---|
| Pain | Immediately after IPL exposure (approx. 2 min) |
| Measure | Description | Time Frame |
|---|---|---|
| mRNA expression of pigment markers | 16-24 hrs after the first IPL exposure |
Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Bispebjerg Hospital | Copenhagen | Bispebjerg | 2400 | Denmark |
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