00888nam a2200229 a 4500 0 20250609101117.0 030603s19uu xx 00 eng d PGS TP 993 .T789 2000 Tremblay, Crystal Gayle M. A comparative study on the pH level of local and imported brand of hair shampoo / Crystal Gayle M. Tremblay. Las Piñas City, Philippines : Southville International School and Colleges, 2000. 26 pages : illustrations ; 28 cm. Includes bibliographical references. Shampoos Analysis. Cosmetics Testing. Consumer goods Quality control. Hydrogen-ion concentration Testing. Products Comparative testing Philippines. Imported products Evaluation Philippines. lcc PASS 96214 96214 0 0 lcc 0 LUX LUX PASS 2003-06-04 DONATION 0 PGS TP 993 .T789 2000 P0137 2014-04-08 00:00:00 2014-04-08 PASS