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Fortunately, the Leo queenmuch like fellow Leo goddessMartha Stewartused the social media moment to help the greater good.

Jennifer Lopez Just Revealed Her Number One AntiAging Skin Care Secret

Instagram/@jlo

I just had a birthday and I feel better than ever, theMarry Mestar says in the clip.

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As for her essential skin care secret?

JLo Beauty That Jlo Glow Brightening & Firming Serum with Niacinamide

You should start at a very young age.

J.Lo’s SPF tip echoes advice shared by Stewart’s facialist, Carmela Barabas.

Don’t already have a favoriteface sunscreen, or simply want to add another to your collection?

JLo Beauty That Big Screen Moisturizer with Broad Spectrum SPF 30

Shop J.Lo’s daily skin care must-haves below.