Ethics and Bioethics
Ethical Issues
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Nursing Ethical Principles II
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Updated: May 19, 2026

Preparation of Keratin Hydrolysate from Chicken Feathers and Its Application in Cosmetics
Published on: November 27, 2017
1Baumann Cosmetic and Research Institute, Miami Beach, FL 33140-2910, USA. drb@derm.net.
Cosmetic dermatology faces debate over dermatologists selling nonprescription skin products and performing ineffective procedures. An objective approach is needed to guide practitioners and patients through these controversial topics.
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