Crest 3D Whitestrips Sensitive & Gentle At-home Teeth Whitening Kit

Water is a common solvent used in many cosmetic and dental products. It helps to dissolve other ingredients and maintain the consistency of the formulation.

Glycerin is a humectant that helps retain moisture in the product, ensuring it adheres well to teeth. It is generally considered safe for oral use.

Hydrogen peroxide is a common whitening agent that can cause enamel erosion and gum irritation, especially at high concentrations. In this product, it is likely present at a concentration above 6%, which raises safety concerns for oral use.

PVP is a synthetic polymer used as an adhesive in the strips. While it helps the product adhere to teeth, it is a non-degradable plastic that raises environmental concerns.

Sodium saccharin is an artificial sweetener used to improve the taste of the product. It is generally recognized as safe, but some individuals may prefer to avoid artificial additives.

PEG (polyethylene glycol) is used as a humectant and thickener. It can be a concern due to its potential for contamination with harmful impurities and is considered a synthetic ingredient.