Skin & Hair Glossary of Ingredients & Terms. Defining what skin & hair ingredients are and how to best use them. Updated regularly.
- Yarrow is an herb that is helpful for wound healing. It reduces and even prevents bruising. Achillea Millefolium Extract is the formal name for Yarrow. Yarrow is traditionally used in both eastern and western ancient medicine and folk medicine practice. There is mixed opinion on the topical benefits of Yarrow. Yarrow can cause skin sensitivity in some people and can increase photosensitivity of the skin.
- Yerba mate
Yerba mate is skin soothing and loaded with antioxidants. This vegetable tea-like drink contains active chemical compounds including skin nourishing Vitamins A, C, E, B1, B2, Niacin (B3), B5, and B Complex. It has Calcium, Manganese, Selenium, Magnesium, Phosphorus, plus fatty acids and Polyphenols. Topically Yerba Mate application either directly or within a product nourishes the skin. It promotes collagen production, and reduces fine lines. Yerba Mate is especially effective at brightening the skin without causing dryness or irritation to the skin.
- Ylang-Ylang is the common name for Cananga Odorata Flower Extract. It is highly fragrant as a diffused essential oil. Ylang Ylang also has a highly impressive antioxidant profile.  The extract of Yla-Ylang removes the fragrance leaving only the healing properties. As an extract, it is used for a variety of ailments including various skin disorders. Ylang Ylang softens and smoothes skin and stimulates new cell growth. It soothes inflammation and irritation due to skin conditions such as psoriasis and eczema. 
- Yoga, as it is often practiced in the Western world, are postures of the Asanas. These postures improve flexibility, strength, and balance; and are used to reduce stress and conditions related to it.
- Yogurt Mask
- A Yogurt Mask is a facial masque preparation using plain yogurt. The probiotics in yogurt leave the skin very smooth.
- Loh Teng Hern Tan, Learn Han Lee, Wai Fong Yin, et al., “Traditional Uses, Phytochemistry, and Bioactivities of Cananga odorata (Ylang-Ylang),” Evidence-Based Complementary and Alternative Medicine, vol. 2015, Article ID 896314, 30 pages, 2015. https://doi.org/10.1155/2015/896314.
- Wilson R., Aromatherapy: Essential Oils for Vibrant Health and Beauty Avery Publishing 2002 Pages 135-136