Microneedling the scalp before application is a common practice to improve delivery, and some limited evidence supports this approach
Established fine lines show measurable reduction
Briefly, HaCaT keratinocytes were seeded at a density of 10,000 cells per well in 200 l fresh culture medium (DMEM supplemented with 10% fetal bovine serum and 1% penicillin/streptomycin solution) into 96-well flat-bottomed microtitre plates (Costar, Corning, USA) and incubated at 37 C in humidified 5% CO 2 using AutoFlow NU-5510 Direct Heat CO 2 Incubator (NuAire, USA) for 24 hours before treatment
Topical Applications : Creams and serums can be applied directly to the skin for localized benefits
As these injections are processed through the liver, so your liver should be perfectly healthy, Any complication in liver functioning can impact effectiveness of whitening injections and increase risk of side effects
According to Correas idea, a series of events initiating with chronic superficial gastritis and progressing from atrophic gastritis, intestinal metaplasia, and dysplasia to gastric cancer (92)