Organic APH Hair serum is an anti- frizz, leave in product. This formula can be applied to damp hair before styling and to protect the hair Reduce Frizz or after styling to tame and calm the hair shaft. It is ideal for all hair types straight or curly. The serum has a light and silky consistency and will not make the hair look greasy. The APH Hair Serum can be used daily and will protect from sun damage. Ideal for salon use and home use.