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At what age are your lips the fullest?: The science of a plump pout

According to dermatological and orthodontic research, for many people, maximum natural lip thickness is reached between the mid-teens and early twenties. A gradual decline in collagen and elastin production after this peak answers the question of at what age are your lips the fullest, and also explains why lips begin to thin as we get older. This comprehensive guide explores the timeline of lip fullness and the factors influencing it.