Hydroxypropyl-β-cyclodextrin: A Novel Transungual Permeation Enhancer for Development of Topical Drug Delivery System for Onychomycosis

Table 2

Composition of nail lacquer drug delivery formulations of terbinafine hydrochloride for optimization of HP--CD concentration.

Ingredient	Concentration (% w/v)
	Formulation code
	L6	L7	L8	L9	L10
Terbinafine hydrochloride	1	1	1	1	1
Cellulose acetate	2	2	2	2	2
Triethyl citrate	0.1	0.1	0.1	0.1	0.1
Ethyl cellulose	3	3	3	3	3
Isopropyl alcohol	30	30	30	30	30
Acetone	42.9	41.9	40.9	39.9	38.9
Deionized water	15	15	15	15	15
HP--CD	6	7	8	9	10