Kerastase Genesis Serum Fortifiant Hair Serum for Dry Weakened Hair 3.04 oz

Niacinamide is a form of Vitamin B3 that is known for its anti-inflammatory properties and ability to improve skin barrier function. It helps in reducing redness and blotchiness, making it beneficial for sensitive skin. Additionally, it can improve the appearance of enlarged pores and uneven skin tone.

Caffeine is often used in cosmetic products for its antioxidant properties and ability to improve circulation. It can help reduce puffiness and dark circles under the eyes. In hair care, it may stimulate hair growth by increasing blood circulation to the scalp.

Zingiber Officinale, or ginger root extract, is known for its antioxidant and anti-inflammatory properties. It can help soothe the skin and improve its overall appearance. In hair care, it may promote healthy hair growth and reduce dandruff.

Tocopherol, commonly known as Vitamin E, is a powerful antioxidant that helps protect the skin from free radical damage. It also has moisturizing properties, which can help improve skin hydration. In hair care, it can enhance shine and smoothness.

Parfum, or fragrance, is often added to cosmetic products to enhance their scent. However, it can be a mixture of various chemicals, some of which may cause allergic reactions or skin irritation. Fragrance is a common cause of contact dermatitis.

BHT, or Butylated Hydroxytoluene, is a synthetic antioxidant used to extend the shelf life of products. It is controversial due to potential health concerns, including skin irritation and endocrine disruption. Some studies suggest it may have carcinogenic effects.