Which is better for fine lines and wrinkles?

The Kiehl's routine has a retinol serum, which is the stronger wrinkle treatment. The Mario Badescu kit relies on glycolic acid, peptides and collagen, which are gentler and more hydrating.

Which is better for acne-prone skin?

Kiehl's. The Cleanse + Smooth Routine is described as an acne kit and is dermatologist-tested. The Mario Badescu kit is aimed at hydration and fine lines, not breakouts.

Do I need a separate sunscreen with the Mario Badescu kit?

Yes. The kit has no SPF. The Kiehl's routine includes SPF protection, so it covers sun protection in the box.

Which is better for sensitive skin?

Neither is clearly better. The Mario Badescu kit is scented, which can irritate sensitive skin, and the Kiehl's retinol can cause dryness and redness at first. Patch test either one.

Is the Kiehl's routine worth the extra $2.10?

Yes if you want retinol and SPF in one purchase. At $27.30 versus $25.20, the gap is small for two extra steps.

Can I use both kits together?

Not at the same time. Layering glycolic acid and retinol in one routine raises the risk of irritation. Pick one and add products from the other only after your skin adjusts.

Mario Badescu Good Skin Is Forever & Ageless Kit vs Kiehl's Cleanse + Smooth Routine

Both kits cost about the same: the Mario Badescu kit was $25.20 as of November 1, 2026, and the Kiehl's Cleanse + Smooth Routine is $27.30 at Ulta Beauty as of November 6, 2026. Buy the Mario Badescu kit if you want a hydrating, collagen-focused set for fine lines and the eye area. Buy the Kiehl's routine if you want a full four-step regimen with retinol and SPF. The $2.10 gap is small, so pick by what your skin needs, not price.

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