Moisture-Lock Hyaluronic Acid Serum

Key Benefits

• Amplifies moisture retention up to 1000x.

• Contains 1.1% dual molecular weight hyaluronic acid.

• Visibly plumps and smooths fine lines.

• Enhances post-laser hydration and results.

• Minimal, vegan four-ingredient formula.

Moisture-Lock Hyaluronic Acid Serum is an advanced hydration multiplier formulated with a 1.1% concentration of both low and high molecular weight hyaluronic acid. This dual-weight approach delivers multi-level hydration, helping skin attract and retain moisture for a visibly plumper, smoother, and more radiant complexion.

By amplifying the skin’s natural moisture retention up to 1000x, the formula helps diminish the appearance of fine lines and wrinkles while improving overall skin suppleness. Designed to be used after treatment with the NIRA Precision Laser or NIRA Pro Laser, this serum restores hydration and supports collagen renewal post-treatment for faster, more noticeable results.

With just four clean ingredients—water, sodium hyaluronate, phenoxyethanol, and ethylhexylglycerin—this lightweight, fast-absorbing formula delivers maximum performance without fillers or fragrance. Vegan, cruelty-free, and suitable for all skin types, it layers effortlessly into both morning and evening routines.

Moisture-Lock Hyaluronic Acid Serum blends high and low molecular weight hyaluronic acid to hydrate at different levels of the skin. The higher weight molecules help draw moisture to the surface for an immediate plumping effect, while the lower weight molecules penetrate more deeply to support longer-lasting hydration. This layered approach helps improve the look of skin texture and maintain a smoother, more supple appearance over time.

NIRA was founded by laser expert David Bean, who spent decades developing semiconductor laser diodes for professional dermatology systems. After seeing how costly and inaccessible in-clinic treatments could be, he set out to bring the same calibre of technology into the home. Through extensive research and clinical studies, NIRA developed the world’s first painless, non-fractional at-home laser, engineered and manufactured in the USA. Backed by international patents and FDA clearance, each device delivers controlled, professional-grade energy designed for safe, consistent use without downtime. By redefining how laser treatments fit into daily life, NIRA helps you achieve visible skin renewal from the comfort of your own routine.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

Water (Aqua), Sodium Hyaluronate (Hyaluronic Acid), Phenoxyethanol, Ethylhexylglycerin.

Use it morning and night as the final step in your skincare routine, or after your NIRA laser treatment. It locks in moisture and enhances the firming and smoothing benefits of your regimen.