That sounds like a tongue-in-cheek saying, not a literal claim.
Usually it’s meant to joke about DIY beauty “hacks”—Vaseline and cornstarch are old-school, inexpensive products people associate with youthful skin routines (moisturizing, mattifying, smoothing). The line exaggerates the idea that using them can make someone look much younger, regardless of their actual age.
So the meaning is closer to:
Simple, cheap beauty tricks can make anyone look youthful.
It can also carry a bit of humor or sarcasm, poking fun at beauty myths or nostalgia for teenage skincare routines.
If you want, I can:
- Rephrase it more clearly
- Turn it into a joke or caption
- Explain how Vaseline/cornstarch are actually used in skincare
- Or help rewrite it to avoid age/gender references
Just tell me how you want to use it.