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

Humectant that draws moisture to the skin — a beneficial base ingredient.

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.

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.

Artificial sweetener — penalized under Scout doctrine.

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.