Which is used in keratinised skin:
Ans: a (Salicylic acid) Ref: Tripathi, 5th ed, p.Keratolytics dissolve the intercellular substance in the homy layer of the skin.The epidermal cells swell, soften & then desquamate.These drugs are used on hyperkeratotic lesions like corns, warts, psoriasis, chronic dermatitis, ringworm& athletes foot.They include:a. Salicylic acid- as 10-20% solution in alcohol or propylene glycol for dissolving com.b. Resorcinol- It has antiseptic, antifungal, local irritant & keratolytic properties.
Salicylic acid
Fluconazole
Steroids
Coal tar
Miscellaneous