looksmaxxing

Noun

Gloss: The practice of taking one or more sometimes extreme or dangerous measures intended to increase one's physical attractiveness
Usage: I know some people who are really serious about looksmaxxing avoid direct exposure to sunlight as much as possible, or totally give up alcohol or sugar, or they stay at a BMI of 18
Reference: merriam-webster.com

Sanskrit equivalent

रूपवर्धनोपायाचरणम्