Shipping across the US · Fragrance-free · Serums only
Hyaluronic Acid Serum by piani.

Hydration / Daily Essential

Hyaluronic Acid Serum

Moisture, Precisely Replenished.

$42.00

A lightweight hydration serum built around sodium hyaluronate and glycerin, formulated to replenish moisture and leave skin feeling plump, smooth, and refreshed. Fast-absorbing and easy to layer, it's the foundation step for hydrated, balanced-looking skin.

  • Plumps and smooths with moisture-binding hydration
  • Absorbs quickly, with no heaviness
  • Layers into any routine, any skin type
Routine placement: AM & PM, daily — the first hydration step after cleansing, before heavier actives or moisturizer.
Skin goal: Plump & Hydrate · Fragrance-free · Made in North America
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What it does

Sodium hyaluronate draws moisture to the skin's surface, while glycerin and butylene glycol help that hydration stay in place. Together, they leave skin feeling replenished, supple, and visibly smoother.

Why you'll love it

  • Immediate, water-based plumping hydration
  • Lightweight texture that layers cleanly under moisturizer, sunscreen, or makeup
  • Helps skin feel balanced and comfortable throughout the day
  • Fragrance-free formula suited to daily use
  • A single, focused step — one job, done well

Key ingredients

Sodium Hyaluronate

A moisture-binding humectant that helps skin attract and hold water at the surface.

Glycerin

A well-studied humectant that supports the skin's moisture levels.

Butylene Glycol

A lightweight conditioning ingredient that helps the formula spread evenly and absorb quickly.

Texture & use

Texture. A lightweight, water-based gel-serum that is fast-absorbing and easy to layer, leaving a soft, hydrated finish.

How to use. Apply a few drops to cleansed skin, morning and evening. Follow with moisturizer, and SPF in the morning.

Pairs well with. Hydration Serum (layered comfort), Niacinamide Vitamin Boost (brightening), Retinol Serum (evening renewal)

FAQ

What does Hyaluronic Acid Serum actually do?

It uses sodium hyaluronate and glycerin to draw moisture into the skin and help it stay there, leaving skin feeling plump and smooth.

How is this different from Hydration Serum?

Hyaluronic Acid Serum is a water-based, moisture-binding formula built to plump skin quickly. Hydration Serum is a different, botanical formula designed for daily comfort and balance. Many people use both.

Can I use this every day?

Yes. It's formulated for daily use, morning and evening.

What is the texture like?

The formula is lightweight and fast-absorbing, designed to layer easily under moisturizer or makeup.

Can I use it with Retinol Serum or Glycolic Acid Serum?

Yes — Hyaluronic Acid Serum pairs well with both and can help support comfort during active use.

Is it suitable for sensitive skin?

The formula is fragrance-free and built on a short list of ingredients, but as with any new product, we recommend a patch test.

Where is it made?

Made in North America.

Pairs well with

See the routines
02 Hydration Serum by piani.

Botanical daily serum with Cassia seed extract and glycerin for soft, balanced, comfortable skin.

Comfort & Balance
03 Niacinamide Vitamin Boost by piani.

Niacinamide and vitamin C serum that targets dullness, uneven tone, and dehydration in one step.

Brighten & Refine
04 Glycolic Acid Serum by piani.

Glycolic acid exfoliating serum with aloe and bilberry for smoother, brighter-looking skin.

Smooth & Refine

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