Kiehl's Clearly Corrective Dark Spot Solution serum — 0.5 fl oz, Vitamin C brightening & gentle exfoliation

This concentrated 0.5 fl oz serum combines a stabilized form of Vitamin C with gentle exfoliation to target discoloration and improve overall skin clarity. Lightweight and fast-absorbing, the formula is designed for daily use under moisturizers and sunscreens. Clinical testing on a wide range of skin tones supports visible improvements in radiance, spot intensity, softness, and plumpness with consistent application.

How quickly will I notice changes in dark spots and radiance?

Results depend on the age and depth of pigmentation, but many users report measurable improvements within weeks. Clinical grading showed visible clarity benefits as early as one week and significant reductions in dark spot intensity after 12 weeks of regular use.

• Visible clarity improvements reported in as little as 1 week.
• Clinical reduction in dark spot intensity after 12 weeks.
• Consistent, daily application enhances outcomes over time.

What active ingredients make this serum effective?

The formula pairs Activated C, a stabilized Vitamin C derivative, with buffered Salicylic Acid for surface exfoliation. This combination helps fade hyperpigmentation while encouraging a smoother, more even complexion without harsh irritation.

• Activated C to help reduce the look of dark spots and brighten skin.
• Buffered Salicylic Acid gently exfoliates dead surface cells for even tone.
• Lightweight base supports layering under other skincare and sunscreen.

Is this serum suitable for sensitive or darker skin tones?

The product was tested across 47 skin tones and multiple ethnicities and is formulated to be appropriate for a wide range of skin types, including sensitive skin. Buffered acids and a stabilized Vitamin C aim to minimize irritation while addressing discoloration uniformly.

• Clinically evaluated on diverse skin tones for improved clarity.
• Formulated to be compatible with sensitive skin when used as directed.
• Works on surface discoloration rather than permanently altering skin pigmentation.

How should I use the serum in my routine for best results?

Apply a few drops to cleansed skin once or twice daily before moisturizer and sunscreen. For daytime use, always follow with a broad-spectrum sunscreen to prevent new sun-induced pigmentation and protect results.

• Use on clean, dry skin; apply 1–3 drops to the face and neck.
• Layer under moisturizer; finish daytime routine with SPF 30+.
• Introduce gradually if you have very reactive skin or are new to acids.

Who is this for: Kiehl's Clearly Corrective Dark Spot Solution 0.5 fl oz is intended for anyone seeking to fade existing dark spots, improve skin brightness, and even tone—suitable for all skin types and tested across many skin tones. It particularly benefits people dealing with sunspots, post-inflammatory hyperpigmentation, or uneven radiance who want a clinically evaluated, everyday serum they can layer under sunscreen and moisturizer.

Features:

• DARK SPOT SERUM: A targeted facial serum to reduce the number and color of dark spots and improve overall radiance and clarity.
• CLINICAL RESULTS: Expert assessments demonstrated reduced dark spot intensity and increased radiance over a 12-week study period; visible clarity improvements were recorded in as soon as one week.
• SOFTENS & PLUMPS SKIN: Clinical grading noted softer, plumper skin with continued use over weeks.
• EFFECTIVE INGREDIENTS: Formulated with Activated C to help diminish the look of discoloration and buffered Salicylic Acid to gently exfoliate surface skin cells.
• TESTED ON ALL SKIN TYPES: Evaluated across 47 skin tones and multiple ethnicities; suitable for all skin types, including sensitive skin.

Ingredients

AQUA / WATER • PROPYLENE GLYCOL • GLYCERIN • ALCOHOL DENAT. • PEG/PPG/POLYBUTYLENE GLYCOL-8/5/3 GLYCERIN • HYDROXYPROPYL TETRAHYDROPYRANTRIOL • 3-O-ETHYL ASCORBIC ACID • PPG-6-DECYLTETRADECETH-30 • PHENOXYETHANOL • SALICYLIC ACID • XANTHAN GUM • HYDROXYETHYLCELLULOSE • POTASSIUM HYDROXIDE • CITRIC ACID • SODIUM CITRATE • TOCOPHERYL ACETATE • LAVANDULA ANGUSTIFOLIA OIL / LAVENDER OIL • DISODIUM EDTA • ADENOSINE • LINALOOL • BUTYLENE GLYCOL • TOCOPHEROL • CITRUS AURANTIUM TACHIBANA PEEL EXTRACT • PAEONIA SUFFRUTICOSA ROOT EXTRACT