Epidemiology: affects men and women of all ethnic backgrounds Etiology: sunlight could be a factor but genetic factory (family history) play a more important role Clinically: lesions are typically located on the shins and then on the arms Histology: melanocytes morphologically intact but melanization is suppressed (synthesis of melanin). Epidermis may be slightly atrophic Treatment:…
DetailsIs done with Monobenzyl ether of Hydroquinone 20% (Benoquin) Condition: vitiligo of more than 75% of the body surface area Usage: applied twice a day until depigmentation is seen Is permanent so written informed consent is important Side Effects: can give rise to allergic contact dermatitis Contributors: Dr Christophe HSU – dermatologist. Geneva, Switzerland Source…
DetailsAcne in skin of color: Practical Facts Misconceptions: Benzoyle Peroxyde benzoyle peroxide does not bleach the skin but can cause dyschromia. it doesn’t act on tyrosinase activity but can create skin irritation ans subsequently inflammation (Post-inflammatory Hyperpigmentation (PIH)) Minocycline minocycline causes hyperpigmentation in skin of color. But what we do not know, is if it…
DetailsAcne in skin of color: Practical Facts Misconceptions: Benzoyle Peroxyde benzoyle peroxide does not bleach the skin but can cause dyschromia. it doesn’t act on tyrosinase activity but can create skin irritation ans subsequently inflammation (Post-inflammatory Hyperpigmentation (PIH)) Minocycline minocycline causes hyperpigmentation in skin of color. But what we do not know, is if it…
DetailsAnswer: Vitamin A derivatives ! Tretinoin (the skin lightening is observed on dyschromia but not normal skin: it is a regulator) Tazarotene: when used once a day in the evening it reduces the extent and intensity of Post-inflammatory hyperpigmentation (PIH) Adapalene: reduction in the number of inflammatory lesions in african americanns. 66% of them experience…
DetailsAcne in Individuals with Coloured Skin Acne Vulgaris It is a common cause of hyperpigmentation affects 27-29% of patients this includes 50% of adult women When comparing acne patients in 4 cities (Los Angeles vs Rome vs Akita vs London) it was found that dyspigmentation and atrophic scarring more common in African Americans and Hispanics…
DetailsWhat happens light is shone on to the skin this causes the collagen in the dermis to fluoresce. Examples In vitiligo, the lesions are devoid of melanin and therefore lesions are very visible wheareas the surrounding skin appears dark due to the inability of light to fluoresce. In melasma: If the melanin is epidermal, the…
DetailsRosacea in individuals with skin of color Rosacea is less common in patients with skin of color stage one disease is undereported as erythema and flushing masked by the pigmentation 4% of patients with rosacea are African Americans, Hispanics, Asian, Middle Eastern, Indian… On the other hand granulomatous rosacea is more common in patients of…
DetailsAssessment of a new skin brightening emulgel containing glycolic acid, lactic acid, kojic acid, arbutin and UVA/UVB filters in females with melasma Inclusion Criteria 35 patients consisting of women aged 25 to 40 Fitzpatrick skin types I to IV stable melasma of epidermal or mixed types Methods Treatment was applied every morning for 30 days…
DetailsAssessment of a new skin brightening emulgel containing glycolic acid, lactic acid, kojic acid, arbutin and UVA/UVB filters in females with melasma Inclusion Criteria 35 patients consisting of women aged 25 to 40 Fitzpatrick skin types I to IV stable melasma of epidermal or mixed types Methods Treatment was applied every morning for 30 days…
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