• Making Aromatherapy Creams & Lotions 2000 by Donna Maria. • The Complete Book of Essential Oils & Aromatherapy 1991 by Valerie Ann Worwood. • Aromatherapy Handbook for Beauty, Hair, and Skin Care 1991 by Erich Keller.
• Making Aromatherapy Creams & Lotions 2000 by Donna Maria. • The Complete Book of Essential Oils & Aromatherapy 1991 by Valerie Ann Worwood. • Aromatherapy Handbook for Beauty, Hair, and Skin Care 1991 by Erich Keller.