But retinols have a potential downside: They can cause redness and flaking.

If yourskinis sensitive, try a serum laced with growth factors, instead.

Cell repair in a tube: DNA EGF Renewal Growth Factor Serum, $145.

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Collagen-building peptides in Olay Regenerist Wrinkle Revolution Complex, $25, smooth skin.

Skin-tightening polymers in Avon Anew Clinical Lift & Firm Pro Serum, $54, nix sagging.

The injectable relaxes the face-scrunching muscles in your forehead for up to six months.

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(Cost starts at $300.)

These also help spur skin to create more collagen-revving hyaluronic acid on its own.

Translation: Major sun spots.

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Over time, these melanin cells become damaged and produce too much color, resulting in lasting dark splotches.

These block the enzyme that tells skin cells to make more pigment.

Tap a pink powder over that with a flat-top brush for color that lasts beyond the bedroom.

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Conceal with care:When it comes to covering dark circles, more concealer isn’t necessarily better.

Be highbrow:Shaped brows open up the eye area.

Brush hairs up and over with an eyebrow brush; dab highlighter under brow bones.

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A brilliant brow-grooming tool: Sephora Double Ended Brow Sculptor Brush No.

6 Ways to Younger Skin

12 Ways to Ageproof Your Hair

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Be highbrow Shaped brows open up the eye area. Brush hairs up and over with an eyebrow brush dab highlighter under brow…

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