Yes, but do not layer them at the same time
Xiao Q, Deng D, Li H, et al
without the added step of bacteriostatic water for injection, theres an increased risk of microbial contamination
Based on these observations, the researchers commented, The present study proposed that AHK-Cu promotes the growth of [...] hair follicles, and this stimulatory effect may occur due to stimulation of the proliferation and the preclusion of the apoptosis of DPCs. (4)
These gene expression changes partially persisted after the intervention, suggesting that light therapy can modulate molecular circadian rhythms in NS workers, underscoring the potential use of circadian gene markers as early indicators of intervention efficacy in occupational chrono-medicine 211