Question

give advantage for use of combination of methyl paraben and propyl paraben as preservatives​

Answer 1

Answer:

Parabens have been safely used for almost 100 years as preservatives in the food, drug and personal care and cosmetic industries. ... Preservatives like parabens may be used in cosmetics to protect against microbial (e.g., bacteria, fungus) growth, both to protect consumers and to maintain product integrity.