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The term cosmeceutical was created over 25 years ago to define products with active
substances that cannot be considered cosmetics or drugs. Cosmeceuticals are increasingly
popular, with sales representing one of the largest growing segments of the skin care
market. These products are found in many forms, including vitamins, peptides, growth
factors, and botanical extracts. Cosmeceuticals that contain topically applied vitamins
have an increasing role in skin care.