How skin ages
Skin aging has two tracks: intrinsic aging from time and genetics, and photoaging from ultraviolet exposure. Dermatology guidance attributes most visible aging — wrinkles, texture, pigmentation — to cumulative sun damage rather than age alone, which is exactly what makes so much of it preventable.
Key takeaways
- Intrinsic aging from genetics and time and photoaging from UV exposure are distinct, and most visible aging is photoaging and therefore largely preventable.
- Cumulative UV exposure drives wrinkles, texture change, and pigmentation more than chronological age does.
- Because the dominant driver is modifiable, prevention, not just correction, is the highest-value conversation.
Practice discussion prompts
- How much of this person's visible aging is photoaging that future protection could slow?
- What is the realistic split between prevention and correction for their goals?
- Are there skin changes that need dermatologic evaluation rather than cosmetic advice?
Two tracks
Intrinsic aging and photoaging are different, and most of what people dislike is photoaging.
ConsiderHow much is sun-driven?
Mostly preventable
Because UV exposure dominates, prevention has more leverage than correction.
ConsiderPrevention or correction?
Know when to refer
Some lesions and changes need a dermatologist, not a serum.
ConsiderDoes this need evaluation?