A skincare formulation may be in the form of a paste, gel or cream and may contain 4-N-Butylresorcinol in varying overall percentages between sixty and twenty per cent. It may be used to treat various hyper-pigmentary skin disorders including acne vulgaris and atrophic scarring. It may be used as a peel. It may be used in conjunction with a dietary regime to treat, amongst others, Melasma.