dr. althea power brightening glutathione cream 2019 Holiday K-Beauty Gift Guide:

Using an antiserum specific for D-serine, Schell et al

doi: 10.1088/2632-2153/ad38fe 3 ArlatiS.Di SantoS

Guo D, Reinitz F, Youssef M, et al

Melanocytes were maintained in full 2:1 melanocyte growth media (2 parts minimal essential medium (MEM) supplemented with 1% foetal bovine serum (FBS), 1% nonessential amino acids, 100 g/ml Primocin, 2 mM Glutamax, 5 ng/ml basic fibroblast growth factor, and 5 ng/ml endothelin-1 (Sigma, Dorset, UK) mixed with 1 part keratinocyte serum-free medium (K-SFM) supplemented with 25 g/ml bovine pituitary extract (BPE), 0.2 ng/ml rEGF, 100 g/ml Primocin (antibiotic), and 2 mM Glutamax in humidified incubators at 37 C with 5% CO 2 unless stated otherwise

The benzyl alcohol in bacteriostatic water provides antimicrobial protection that helps preserve the reconstituted peptide over multiple uses

This broader support can improve how your skin responds over time