My guess still remains that there's been an error in the process somewhere and it's 'crept out'
Skin irritation and sensitization: mechanisms and new approaches for risk assessment
Journal of Medicinal Chemistry (2021) 7
Conclusion Our results suggests the dynamic changes in the intensity of Carbon-Deuterium band in Raman silent zone of high wavenumber region can differentiate between the metabolic active, growth arrested and cidal microbes
Vitamin C for the skin It is also involved in the construction of collagen, an important structural protein, and in this context can support the function of blood vessels, bones, cartilage, teeth, skin and gums, because it is everywhere to find collagen
At 10mg/mL, a 2mg dose is 20 units