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Because while ingredients like niacinamide have worked well for me before, Ive experienced some unpleasant stinging from vitamin C in the past meaning Ive always been on the fence when it comes to brightening products
For smaller doses, a 0.5 mL syringe (50 units max) offers better precision because the unit markings are more spread out and easier to read
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Educational molecular summary only
Vitamin C and E are cheap, but high doses can be pro-oxidant
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