Hyaluronic Acid Serum
$42.00Lightweight hyaluronic acid and glycerin serum that replenishes moisture for smoother, plumper skin.
Plump & Hydrate
Shipping across the US · Fragrance-free · Serums only
Our story
Serums. Only serums.
Most skincare brands sell everything: cleansers, creams, masks, mists. We decided to do one thing. piani. makes serums — the step in your routine that does the actual work — and we build each one around a single active and a single concern. Hydration. Tone. Texture. Renewal.
Find your serum
01
Why a serum specialist
The serum is the step in your routine that does the actual work. So that's the only step we make — and we make it well.
02
How we build a formula
- Start with the concern, not the trend.
- Pick the active with the clearest evidence for it.
- Leave out what doesn't help: no fragrance, no unnecessary fillers.
03
What we promise
- Fragrance-free formulas
- Made in North America
- Vegan and cruelty-free
- Clear routine guidance for every serum
Five serums, five jobs.
Compare all serums
Hydration Serum
$44.00Botanical daily serum with Cassia seed extract and glycerin for soft, balanced, comfortable skin.
Comfort & Balance
Niacinamide Vitamin Boost
$48.00Niacinamide and vitamin C serum that targets dullness, uneven tone, and dehydration in one step.
Brighten & Refine
Glycolic Acid Serum
$52.00Glycolic acid exfoliating serum with aloe and bilberry for smoother, brighter-looking skin.
Smooth & Refine
Retinol Serum
$54.00Retinol serum with collagen and hyaluronic acid for smoother texture and lasting hydration.
Renew & Smooth