Weight gain means to have an increase in body weight overall which means to have an increase of muscle mass, fat deposits and excess fluids such as water. Weight gain can lead to serious medical conditions such as obesity and high cholesterol which can severely effect a person’s health. Weight gain often occurs when someone regularly eats more calories than use for them through normal bodily functions and physical activity, this effect that eating has on wight gain can be greatly varied depending on energy and foods. Generally, losing weight means eating fewer calories and more physical activity, however there is more to it than just that. In terms of make-up, weight gain can be creating using a vast range of techniques; a very popular method for creating this effect is by using foam latex pieces and a fat suit for the actor to wear underneath costume. The prosthetic pieces that are used to create this effect are firstly cast in silicone and are then painted using IPA alcohol activated paint or PAX paint which is a combination of latex paint and glue. the company RBFX create very realistic foam latex pieces that are usually painted in two different tones of PAX paint, a more red tone for muscle and capillaries and the base foundation tone. This effect is mainly used in comedy for TV and film, although it can also be used for the purpose of flashbacks, muscle gain or loss over a period of time and for ageing. 
Alfie's Make-up 