no 5 glutathione c facial spa cleansing oil 300ml numbuzin No.5 | Cleanser | Oil Cleanser for Face | Glutathione, Vitamin C, Niacinamide | Aromatherapy, Dullness, Uneven Skin Tone Numbuzin No. 5+ Glutathione C
Description
Notably, no evident systemic toxicity was observed in either case

A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare

Handy DE, Lubos E, Yang Y, Galbraith JD, Kelly N, Zhang Y-Y, et al
FIGURE 31-3: Metabolism of the catecholamine neurotransmitters

Fetal bovine serum: risk management
Thus, patient consent was not required
