1% Hyaluronic Acid + Niacinamide Serum

Clinically proven: +22% increase in skin hydration, lasting over 5 hours.

SKIN REPUBLIC Hyaluronic Acid 1% Serum combines 1% hyaluronic acid with niacinamide for intense hydration and an even complexion—ideal for dry and dehydrated skin.

Who is it for? Dry skin, dehydrated skin, all skin types in need of moisture.

• +22% increase in skin hydration (clinically proven)
• 100% improvement in overall skin appearance
• Hydration lasting over 5 hours
• Treats rough and dry skin areas

Directions

• Cleanse and lightly dampen the skin
• Apply a few drops of the serum to the face and neck
• Let it absorb for one minute
• For more intense results, follow with a SKIN REPUBLIC face mask or moisturizer

Note: Perform a patch test before use. Store in a cool, dry place at 5–25 °C.

Study: Independent skin measurement using Corneometer® CM 825, 20 participants, 3–5 hours after application. Consumer questionnaire, 22 participants, 28 days of use.

Active Ingredients & FAQ

Hyaluronic acid 1% – Binds 1,000 times its weight in water. As an “intelligent nutrient,” it adapts its moisture absorption to the season and climate. The skin becomes visibly softer, smoother, and firmer.

Niacinamide 2% – Protects against the harmful effects of sun exposure and ensures an even skin tone. Supports the appearance of firmer skin and strengthens the natural skin barrier.

When should I apply the serum in my routine? After cleansing and before moisturizer. Apply to slightly damp skin for maximum effectiveness.

Can I use the serum in the morning and at night? Yes, the hyaluronic acid serum is gentle enough for daily use in the morning and at night.

Is the serum suitable for sensitive skin? Yes, the formula is dermatologically tested and suitable for all skin types.

Can it be combined with vitamin C or retinol? Yes, hyaluronic acid is very well-tolerated. Recommendation: Apply hyaluronic acid to slightly damp skin first, then other active ingredients.

Ingredients (INCI)

Aqua/Water/Eau, Glycerin, Niacinamide, Panthenol, Sodium Hyaluronate, Carbomer, Ethylhexylglycerin, Tocopherol, Triethanolamine, Phenoxyethanol.

Dermatologically tested · Cruelty-free · Vegan · Award-winning

Recommended products: The Hyaluronic Acid + Collagen Sheet Mask for a weekly moisture boost. Or the innovative Hyaluronic Boost Youthfoil Mask. All serums and products for dry skin.