US$ 24.01
glutathione serum for pigmentation PURCELL 5% L-Glutathione (88B/mL) Face with 1% Niacinamide & 1% Tranexamic Acid – Flexible Liposome Tone up Serum Anti & Hydration (1.01 fl oz / 30 ml) : Beauty & Personal Care Glutathione 7 Dark Spot Serum
Description
They can order blood tests to check your current levels and absorption capability, then recommend the most appropriate option for your situation

Article for reference and data:

The anti-inflammatory gene regulation adds another dimension
Useful in skin-repair and post-care cosmetic formulations
