I absolutely love NAC (N Acetyl Cysteine) for so many reasons! Not only is it fantastic for upper respiratory issues, but it also plays a crucial role in promoting glutathione, which is Immunocal: Clinically Proven Glutathione Boost I Immunotec Immunotec ORIGINAL] 20pcs Vitamin E 10x Whitening with GLUTATHIONE Natural & Organic Effective Soap * Shopee Philippines I bought this soap in thailand. It says "Lightening" .. is it safe to use on my skin ? : r Thailand