Table 2.

Determination of BTH in the stratum corneum using the proposed sensing protocol after 12 h of Butaximark® cream application on the forearm of the volunteer

Pharmaceutical formulations	Claimed (µM/cm2)	Recovery% ± SD (n = 5)	Standard addition
			Amount added (µM)	Recovery% ± SD (n = 5)
Butaximark® (10 mg of BTH /1gm)	5.26		22.31	99.48
			53.19	99.54
			72.73	101.41
			91.48	98.13
			109.48	99.72
			126.78	99.14
Mean ± S.D		98.47 ± 0.853		99.57 ± 1.06