Development of a Controlled Release of Salicylic Acid Loaded Stearic Acid-Oleic Acid Nanoparticles in Cream for Topical Delivery

Table 3

Different kinetic model evaluation of salicylic acid release for four different samples.

Sample	Zero order		First order		Higuchi model
	Slope	𝑅^2	Slope	𝑅^2	Slope	𝑅^2
A	10.5	0.93	0.20	0.77	38.4	0.99
B	2.4	0.89	0.07	0.69	14.4	0.98
C	1.8	0.92	0.08	0.70	10.5	0.99
D	0.9	0.81	0.02	0.62	5.2	0.95