Timing for adding fragrance to serum and liquid soap
Asked by: sj_ying
On: June 11, 2014
Product Type:
Cosmetics
Question
When should essential oil (for fragrance) and perfume be added during the formulation process for serum and liquid soap?
Answer
Based on the provided information, it is recommended to add essential oils and perfumes at the final step when making serum or liquid soap. This allows you to assess the final product's color and scent and make any necessary adjustments.