Guides Product : Holinic

Guides Product

Guides Product 17

Can I use the Deep Nourishment Conditioner from the Luxury Haircare Formulation Guide if I have low-porosity hair?
Where can I download the pdf version of the Luxury Hair Care Formulation Guide?
Can I keep conditioners or shampoos made with potassium sorbate at room temperature?
What is the difference between oat starch and oat flour?
Amaranth oil is not available in my country. What is a good substitute?