Aqua Glycolic (Merz) focuses on glycolic acid formulations that promote exfoliation and hydration with buffered formulas to limit irritation. Glycolic's small molecular size aids penetration and helps smooth texture, unclog pores, and improve tone. Users should patch-test, introduce products gradually, and apply daily sunscreen. Verify current product SKUs and concentrations on packaging or the manufacturer's site.

What Aqua Glycolic is

Aqua Glycolic is a skincare line marketed under Merz, a pharmaceutical and medical aesthetics company. The range was developed to deliver the benefits of glycolic acid while minimizing irritation through buffered formulations and supportive ingredients. The original line targeted face, body and hair care with cleansers, toners, creams and washes, though exact current SKUs and packaging may have changed since its 2006 launch.

Why glycolic acid?

Glycolic acid is an alpha hydroxy acid (AHA) commonly used for chemical exfoliation. It has a small molecular size compared with other AHAs, which helps it penetrate the stratum corneum and promote removal of dead surface cells. The result can be smoother texture, improved tone, and clearer pores. Glycolic acid also acts as a humectant, drawing moisture to the skin surface, and supports skin renewal when used consistently.

AHAs like glycolic acid are widely used to address dullness, fine lines, acne-prone skin, and uneven pigmentation. They increase cell turnover and can complement other active ingredients, but they also increase photosensitivity, so daily sunscreen is essential while using them.

Formulations, strength and pH

Product formulations vary by purpose (cleanser vs. leave-on cream vs. peel). Over-the-counter glycolic products commonly range from lower concentrations suitable for daily use to higher concentrations reserved for professional chemical peels. The pH of a formulation affects glycolic's activity and irritation potential: lower pH increases exfoliation but can increase sensitivity. The original Aqua Glycolic line was described as pH-balanced and containing at least 10% glycolic acid; current label claims and exact concentrations should be checked on the product packaging or the manufacturer's website before purchase. 1

Who should use it - and precautions

Glycolic formulations can benefit many skin types, including oily and rough skin, but people with very sensitive or active inflammatory skin (severe rosacea, open eczema) may experience irritation. Start with lower-frequency applications (every other day or fewer) and do a patch test. Avoid combining strong retinoids or other acids without professional advice. Always apply a broad-spectrum sunscreen daily while using glycolic products.

Conclusion

Aqua Glycolic centers on glycolic acid's exfoliating and hydrating properties and was designed to reduce irritation through formulation. To confirm current product range, ingredient concentrations, and recommended use, review the latest Merz product information or consult a dermatologist. 2
  1. Confirm that Merz currently markets an "Aqua Glycolic" line and list current SKUs
  2. Verify the original claim that Aqua Glycolic products contain at least 10% glycolic acid and whether that remains true for current formulations
  3. Check current product labeling or Merz website for claims about pH-balancing and recommended usage instructions

FAQs about Aqua Glycolic

Is Aqua Glycolic safe for sensitive skin?
Some Aqua Glycolic formulations are designed to reduce irritation, but sensitive skin can still react. Patch-test and start slowly. If you have active inflammatory skin conditions, consult a dermatologist first.
Will glycolic acid make my skin more sensitive to the sun?
Yes. Glycolic acid increases photosensitivity. Use a broad-spectrum SPF daily while using glycolic products and for a week after stopping intensive treatments.
How often should I use glycolic acid products?
Frequency depends on the concentration and product type. For lower-concentration daily products, many people start every other day and increase as tolerated. Stronger at-home acids or professional peels require less frequent use and professional guidance.
Do Aqua Glycolic products treat acne and wrinkles?
Glycolic acid can help improve texture, unclog pores and reduce the appearance of fine lines over time, but results vary. For moderate-to-severe acne or significant wrinkle concerns, combine treatments under a dermatologist's guidance.
Where can I confirm the exact glycolic concentration in Aqua Glycolic products?
Check the product label, Merz's official website, or authoritative retailers. Product formulations and concentrations can change, so always verify current labels before use.

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