stopping their use without sustained lifestyle changes may lead to regained weight
A landmark 2007 study published in the Journal of Investigative Dermatology found that AHK-Cu at concentrations between 10 and 10 M stimulated dermal papilla cell (DPC) proliferation, elongated human hair follicles ex vivo, and shifted the Bcl-2/Bax ratio in favor of cell survival meaning fewer follicle cells died prematurely [2]

in contrast, a high protein test breakfast (enriched with milk-based proteins) or liquid preloads of whey, casein, soy and gluten caused a prolonged suppression of ghrelin.42 The ability of ingested proteins and carbohydrates to cause ghrelin suppression is similar, even if they act with a different kinetic.43 Ghrelin concentrations may both decrease or increase after ingestion of a high-fat meal, with a slower return to baseline than after an ingestion of high-carbohydrate meal.44,45 The effect of fatty acids on ghrelin secretion may be dependent on their chain length.45 In a study, long-chain fatty acids (sodium oleate, 18 carbon atoms) showed to inhibit ghrelin, whereas medium-chain fatty acids (sodium caprylate, 8 carbon atoms) were ineffective.46 Nutrients and CCK release Ingested fats and proteins cause a greater, faster and longer postprandial release of CCK than carbohydrates.47 In fact CCK increase after carbohydrates is short-lived and returns to baseline within 1h.48 Fiber content of the meal also affects postprandial CCK release

Frequency answered - now for the question that trips up even experienced skincare enthusiasts: what shouldnt you use alongside Vitamin C, and are there times to skip it altogether