India, Dec. 29 -- Let's be real.

Full coverage foundations, steeply priced setting powders and all the Korean sheet masks in the world, can't actually replicate the natural radiance that comes with genuinely well-maintained skin. We're sure this week's calendar is chock-a-block full of plans and preps. But realistically speaking, the perfect pre-party glow isn't at all about piling on products at the last minute. We asked experts what the true formula is in the long-term when it comes to party-ready skin.

"Real radiance starts with a healthy skin barrier. When the barrier is intact, the skin can retain moisture, stay calm, and look radiant naturally. (A good ceramide moisturiser) replenishes essential skin lipids, reduces sensitivity, a...