2 unopened complete sets of the Crest 3D White Daily Whitening Serum offers 15x whitening power with an expiration date of 04-31- 2027 and 12 -31-2026This teeth whitening kit, made by Crest, contains hydrogen peroxide as the active ingredient and is enamel safe. The product comes in a regular size container of 0.88 fl oz and is designed for daily use to help achieve a brighter and whiter smile. This United States-made oral care product is part of the Crest 3D White product line, known for its effectiveness in teeth white
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