Crest 3D Whitestrips Professional Effects Teeth Whitening Strip Kit

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

Water is a common solvent used in many dental products. It is safe for oral use and helps to dissolve other ingredients, but it does not contribute to whitening or health benefits.

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 strips adhere to teeth, it is a non-degradable plastic that raises environmental concerns and may not be ideal for long-term oral contact.

Sodium saccharin is an artificial sweetener that can cause digestive issues in some individuals. Its presence in oral products raises concerns about potential long-term health effects.