Southville International School and Colleges
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--Philippines.--Comparative testing
Imported products--Philippines.--Evaluation

PGS TP 993 / .T789 2000
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