DWQA Questions › Tag: hydrolyzed keratinFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesCollagenix-12 includes a proprietary blend of antioxidants, biotin, and hydrolyzed keratin. Are these additions a significant benefit?ClosedNicola asked 2 weeks ago • Healing Modalities25 views0 answers0 votes