02 SERUM 50mL
02 SERUM 50mL
Refining Serum
A serum for after your lotion that replenishes moisture and smooths skin.
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Payment is taken when your order is confirmed.
Overseas: please contact us before ordering for a shipping estimate.
- Shipping
- Free shipping on orders of ¥15,000 or more (tax incl.), including Okinawa. Otherwise ¥800 (Okinawa ¥1,300). Overseas: please contact us before ordering for a shipping estimate.
- Ships
- From mid-December 2026, in order
- Shipping · Returns
Get all three as a set
Lotion, Serum & Cream | ¥33,800 (tax incl.)
The set comes with a free Travel Kit
- Purpose
- Replenishes moisture and smooths
- Order
- STEP 2 of 3 (after the lotion)
- Size
- 50mL
- For
- Any gender, and skincare beginners too
The serum for “Replenish”, the middle of ululaü’s 3 steps, used after your lotion.
With ceramide NP (moisturizing), niacinamide (skin conditioning), bakuchiol (skin conditioning), 7 hyaluronic acid ingredients (moisturizing) and more, it gives skin moisture and a firm, supple feel.



02. ululaü SERUM
Replenish. Layer. A firm, supple feel.
Replenishes moisture and smooths.
A serum to layer with care, every day.
For you
Made for you if…
- Your lotion alone soon feels like not enough
- You notice dryness in the evening or in air-conditioned rooms
- Your skin gets dry easily when the seasons change or after shaving
- You are not sure what to use after your lotion

*Image of moisture. It does not show actual particles or pathways.
Why add
After your lotion,
one more step to replenish.
The middle of ululaü’s 3 steps. On skin conditioned by the Lotion, it replenishes moisture and smooths. Then the Cream protects.

Founder's note
TOKYO, EVERY DAY.
In Tokyo, where people live close together, skin care is part of looking after yourself.
Every day in dry air is why I value the “replenish” step after the lotion.
— Yuki | ululaü
Key ingredients
Ingredients that moisturize
and give skin a firm, supple feel.
- 1Moisturizes7 types of hyaluronic acid | MoisturizingMoisturizing ingredients that hydrate skin and help prevent dryness, for soft, smooth skin.Sodium hyaluronate, hyaluronic acid, hydrolyzed hyaluronic acid, sodium hyaluronate crosspolymer, sodium acetylated hyaluronate, potassium hyaluronate, hydroxypropyltrimonium hyaluronate
- 2FeaturedSmooths skin textureNiacinamide | Skin conditioningA skin-conditioning ingredient that moisturizes and leaves skin smooth with a refined texture.
- 3FeaturedSmooths skinBakuchiol | Skin conditioningA skin-conditioning ingredient that keeps skin healthy-looking and smooth.
- 4Conditions skinGlutathione, resveratrol | Skin conditioningSkin-conditioning ingredients that keep skin healthy-looking and smooth.
- 5Other moisturizing ingredientsCeramide NP, NMN | MoisturizingContains ceramide NP and NMN (nicotinamide mononucleotide) to keep skin moisturized.

Everyday ritual
Morning and night: one minute after your lotion.

STEP 01
Once your lotion has settled
After 01 LOTION conditions your skin, follow with the Serum.

STEP 02
1–2 pumps into your palm
Take an amount that suits you and spread it lightly between both hands.

STEP 03
Wrap your whole face
Smooth over your whole face: cheeks, forehead, mouth area. Layer a little more where it feels dry.
Where to start
Not sure? Get all three.
Get all three and shipping is free (¥15,000 or more, tax incl.). Overseas: please contact us before ordering for a shipping estimate.

3-Step Set (with free Travel Kit)
¥33,800 (tax incl.)
Save ¥2,400 vs. ¥36,200 for single items (tax incl.)Lotion, Serum & Cream
See the set
FAQ