Development and Validation of a Stability Indicating RP-HPLC Method for the Determination of Two Sun Protection Factors (Koptrizon and Tinosorb S) in Topical Pharmaceutical Formulations Using Experimental Designs

Figure 3

Pareto chart effect of factor (a) C > A > B in retention time of KPT, (b) C > B > A in retention time of TIN (c), and C > A >B in plate count of KPT.

(a)

(b)

(c)