REAGENT or RESOURCE	SOURCE	IDENTIFIER
Chemicals, peptides, and recombinant proteins
Chitosan low molecular weight	Sigma-Aldrich	CAS: 9012-76-4
Chitosan medium molecular weight	Sigma-Aldrich	CAS: 9012-76-4
Chitosan high molecular weight	Sigma-Aldrich	CAS: 9012-76-4
Collagen type I	EMD Millipore Corporation	Catalog: 08-115 Lot: 2812057
Phosphate buffered saline	Sigma-Aldrich	MDL number: MFCD00131855
Ammonium hydroxide	Sigma-Aldrich	CAS: 1336-21-6
Lysozyme from chicken egg	Sigma-Aldrich	CAS: 12650-88-3
Acetic acid	Sigma-Aldrich	CAS: 64-19-7
Cell counting Kit −8 (CCK-8)	Dojindo Molecular Technologies, Inc.	Code: CK04
Hyaluronic acid sodium salt -Average MW 80,000–100,000 Da	Carbosynth.	Batch number: FH634271601
Ethanol		CAS: 64-17-5
Experimental models: Cell lines
Mouse Balb/3T3	ATCC	CCL-163
Immortalized human dermal keratinocytes (HaCaT)	Merck	102-05A
StemPro® Human Adipose-derived Stem Cells	Gibco	R7788115