Avene Hydrance Boost Concentrated Hydrating Serum with Hyaluronic Acid & Vitamin B3 - 1.0 fl oz: For Face, Alcohol-Free, Vegan, Non-Toxic

Avene Thermal Spring Water is primarily used for its soothing and anti-irritating properties. It is a base ingredient that helps in hydrating and calming the skin. It is generally considered safe and beneficial for sensitive skin.

Propanediol is a glycol that is used as a solvent and skin-conditioning agent. It helps to improve the texture and feel of the product. It is generally considered safe for use in cosmetics.

Glycerin is a humectant that attracts moisture to the skin, helping to keep it hydrated. It is a common ingredient in skincare products due to its moisturizing properties. It is well-tolerated by most skin types.

Pentylene Glycol is used as a moisturizer and solvent in skincare products. It helps to improve the spreadability and absorption of the product. It is generally considered safe for use in cosmetics.

Diglycerin is a humectant that helps to retain moisture in the skin. It is similar to glycerin but with a higher molecular weight, providing longer-lasting hydration. It is generally considered safe for use in cosmetics.

1, 2-Hexanediol is used as a preservative and emollient in skincare products. It helps to improve the texture and stability of the formulation. It is generally considered safe for use in cosmetics.

Niacinamide is a form of Vitamin B3 that is known for its anti-inflammatory and skin-brightening properties. It helps to improve skin texture, reduce redness, and even out skin tone. It is well-tolerated by most skin types and is considered a beneficial skincare ingredient.

Sodium Hyaluronate is a salt form of Hyaluronic Acid, known for its ability to retain moisture and hydrate the skin. It penetrates the skin easily and provides long-lasting hydration. It is a highly beneficial ingredient for maintaining skin moisture levels.

Betaine is a naturally derived ingredient that helps to maintain skin hydration and improve texture. It acts as an osmolyte, balancing moisture levels in the skin. It is generally considered safe for use in cosmetics.

Citric Acid is used to adjust the pH of skincare products and has mild exfoliating properties. It helps to improve skin texture and promote cell turnover. It is generally considered safe for use in cosmetics.

Fragrance is used to impart a pleasant scent to skincare products. However, it can be a source of irritation and allergic reactions for sensitive individuals. It is often criticized for its potential to cause skin sensitivity.

PCA is a skin-conditioning agent that helps to maintain moisture levels in the skin. It is a component of the skin's natural moisturizing factor. It is generally considered safe for use in cosmetics.

Polyglyceryl-4 Caprate is an emulsifier that helps to blend oil and water-based ingredients. It improves the texture and stability of the product. It is generally considered safe for use in cosmetics.

Sclerotium Gum is a natural thickening agent that helps to stabilize and improve the texture of skincare products. It is derived from fermentation and is considered safe for use in cosmetics. It provides a smooth and pleasant texture to formulations.

Sodium Citrate is used as a buffering agent to maintain the pH balance of skincare products. It helps to stabilize formulations and enhance product performance. It is generally considered safe for use in cosmetics.

Sodium Hydroxide is used to adjust the pH of skincare products. It is a strong alkaline compound that must be used in small amounts to ensure safety. It is generally considered safe when used appropriately in cosmetics.