Salon Essentials Root to Tip Serum uses carefully chosen CPTG Certified Pure Tested Grade™ essential oils to promote smooth, shiny hair and a healthy-looking scalp, without weighing hair down. Description Salon Essentials Root to Tip Serum is a formula infused with essential oils and protective lipids to promote smooth, shiny hair and a healthy-looking scalp. The carefully chosen CPTG Certified Pure Tested Grade essential oils of Lavender, Peppermint, Marjoram, Cedarwood, Lavandin, Rosemary, Niaouli support the appearance of healthy hair. This powerful, lightweight serum provides extended protection and moisture without weighing hair down or leaving an oily residue.