shevyatiwari's version from 2015-04-18 13:59


Question Answer
Wetting agents aka surfactantsT
Wetting agents are hydrophilicF, have hydrophilic and lipophilic components
Cationic wetting agents are good for positively charged damaged hairF, negatively
Anionic wetting agents are for cleansing and latheringT
SA and sulfur are keratolyticsT
Topical corticosteroids have anti inflammatory and antipruritic effectsT
Flucionide acetonide is the only available TCS in shampoo formF, also clobetasol
Recurrence rates of seb derm post corticosteroids is highT
Ketoconazole, ciclopirox, tea tree oil have anti inflammatory effectsT
Tar shampoos are anti mitotic and anti proliferative but not cytostaticF, are cytostatic
Tars may have antibacterial and antimycotic activityT
Selenium sulfide is cytostaticT
Zinc pyrithione reduces rates of cell turnovers with a defined mechanismF, mechanism unknown
Ketoconazole, TCS, Zn, Ciclopirox, Selenium Sulfide can suppress superficial fungal infectionF, not TCS
Zinc pyrithione may work through reducing ironT
Tar shampoos on normal skin can cause increased systemic absorptionT
Systemic absorption of salicylic acid is rare in shampooT, not reported
Selenium sulfide can be absorbedT, but rare. Elevated selenium levels -> metallic taste, tremors, perspiration, garlic breath
Generally safe in pregnancyT
Zinc can show tachyphylaxisF
TCS show tachyphylaxisT
Tar shampoos stain hair a green/brownT, require higher doses - 500-1000/day
Selenium sulphide can leave smell, discolouration and drynessF, oiliness
Tar shampoo should be applied on the day of PUVAF, avoided that day
Tea tree oil has estrogenic and antiandreognic propertiesT

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