A breakthrough daily pre-serum with a 3-tiered acid approach for brighter, smoother, pore-refined skin
Kiehl’s introduces its newest skincare innovation – the Clearly Corrective Triple Acid Pre-Serum, a gentle yet powerful solution for those looking to refine skin texture, reduce the appearance of pores, and reveal brighter, more radiant skin.

Formulated with an 8% triple acid blend and Copper Gluconate, this lightweight pre-serum targets three layers of the skin to renew, clarify, and smooth from within. It delivers a +41% improvement in skin smoothness and is clinically tested to be gentle enough for daily use.
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- 3% PHA: Exfoliates the surface for a hydrated, radiant glow
- 0.18% BHA: Penetrates mid-layers to reduce oil, unclog pores, and minimise their appearance
- 5.5% AHA: Stimulates cell turnover to reveal newer, healthier skin
- Copper Gluconate: Calms and soothes for balanced, comforted skin
The Ultimate Skin-Clarifying Duo
For even better results, pair the Triple Acid Pre-Serum with the brand’s cult-favorite Clearly Corrective Dark Spot Solution. Together, they work synergistically to visibly brighten, refine, and even out skin tone.
Gentle. Effective. Everyday.
With its dermatologically tested formula, the Triple Acid Pre-Serum offers all the benefits of exfoliation, without compromising the skin barrier, making it a revolutionary new step in your daily skincare routine. Clearly Corrective Triple Acid Pre-Serum will be available at Kiehl’s stores and on Nykaa from 1st June 2025.
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