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Wound healing activity: (A) for in vitro scratch assay in HaCaT cell lines. Images were taken before (Control t0) and 24 h after incubation: untreated samples (control and 24 h) and treated samples, respectively thyme oil (THO) and functionalized hydrogels and their corresponding empty NPs. (B) Skin surface showed a reduction in methylene blue following ex vivo antioxidant activity of the samples [47].
