The quality of the substance used to manufacture the sex doll will determine how well it can survive the demanding circumstances of use, along with any additional mechanical elements that could lead to its breakdown.
The lifespan of realistic sex dolls is shortened the more time you play with them. However, adequate care and maintenance, particularly in regards to moisture and cleansing, can reduce this deterioration effect.
The Sex Doll Cleaning and Maintenance Guide can be found here.
