Silica applied topically in the form of a gel, would appear to provide a significant benefit to those with acne.
Due to the molecular properties of silica and its large surface area, it draws out and binds to impurities, bacteria and lipids such as sebum.
The lowering of sebum is particularly important because it has been shown to play a highly significant role in the acne process.
Lactoferrin is a whey protein extracted from milk. It has shown anti-inflammatory capability, and as such may well benefit those suffering from the commonly inflammatory condtion acne.
A study by Korean researchers demonstrated that acne sufferers supplemented with lactoferrin achieved significant improvements in their condition: less inflammatory acne lesions, and less sebum in the skin, when compared to a placebo group (acne sufferers who did not receive lactoferrin).
Whey protein a favourite supplement of those engaged in bodybuilding and sports may well be a bad idea if you suffer from acne.
Research by Melnik (2011) showed that whey protein was a particularly potent stimulator of insulin and IGF-1 release. These two hormones have the potential to increase the production of sebum and keratin, substances that when produced in excess can cause blockages in hair follicles, resulting in spots.