K-Beauty Innovation from Seoul

Spring into
Radiant Skin

HYALURON MAX 80+ | 5-Layer Deep Hydration

✦ Coming Soon to Amazon

Not just hydration — a complete skin transformation. Our 5 molecular weights of hyaluronic acid work in perfect harmony, from the surface to the deepest dermal layers.

Explore the Product Get Notified at Launch
K-Beauty Innovation 5 Types of HA 80ml Premium Size Clean Formula
BIOCESS Spring Subun Ampoule — Hyaluron MAX 80+
Hyaluronic Acid
5 Types
Woman applying skincare, concerned about dry skin
73%
of women report
dehydrated skin

The Challenge

Tired of serums that promise hydration but leave your skin thirsty?

Most hyaluronic acid serums use only one molecular weight — large molecules that sit on the skin's surface without truly penetrating. The result: temporary softness that disappears within hours.

Your skin has multiple layers, each requiring different-sized molecules to absorb hydration effectively. Single-weight HA can never reach the deeper dermis — where lasting moisture really lives.

80%+
Moisture Boost
24hr
Hydration Lock
5
HA Molecular Weights

The Science

From Surface to Deep Layers:
Complete Hydration

Spring Subun Ampoule combines 5 molecular weights of hyaluronic acid in one formula — each precisely calibrated to target a different depth of your skin.

1

Ultra-Low MW HA Nano

Penetrates the deepest dermal layer to boost long-term collagen synthesis and structural hydration. ~5 kDa.

2

Low MW Hydrolyzed HA Deep

Reaches the epidermis-dermis junction, plumping fine lines from within. 50–150 kDa.

3

Medium MW HA Mid

Works in the living epidermis to retain moisture and strengthen the skin barrier. 300–500 kDa.

4

High MW HA Upper

Creates a flexible moisture-film in the stratum corneum for all-day softness. 800 kDa–1 MDa.

5

Acetyl Glucosamine HA Surface

Seals the skin surface with an instant dewy glow and locks all hydration in. >1 MDa.

5-layer hydration visualization

The Product

Beauty in Every Detail

Spring Subun Ampoule with box packaging
Premium Packaging
Serum texture dripping
Serum Texture
How to use the ampoule
Application
Product lineup
Product Range
View Full Product Details

Nature Meets Science

Powered by Nature's Finest

Beyond hyaluronic acid, each additional ingredient was chosen for its proven synergy with skin's natural biology.

💧
5× Hyaluronic Acid
Multi-weight HA complex for full-depth hydration from dermis to surface
🌿
Centella Asiatica
Traditional Korean healing herb that soothes, calms and supports barrier repair
✨
Niacinamide
Brightens skin tone, minimizes pores and enhances overall radiance
🌸
Panthenol
Pro-vitamin B5 that deeply conditions skin and accelerates natural healing
🧬
Allantoin
Gentle anti-irritant that promotes cell regeneration for smoother skin texture
View Full Ingredient List

Launch Roadmap

Coming to Amazon Soon

We're almost ready. Follow our journey and be the first to know when Spring Subun Ampoule goes live.

✓
March 2025
Formula Finalized
5-layer HA formula perfected and stability tested
✓
April 2025
Safety Testing
Clinical safety & dermatology testing complete
✓
May 2025
Production Complete
First batch manufactured & quality-approved
🚀
June 2025
Amazon Launch
Available on Amazon US — sign up for early access
Get Early Access Notification
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Have Questions?

Frequently Asked Questions

When will Spring Subun Ampoule be available?
We are targeting a June 2025 launch on Amazon US. Production is complete and we are currently in the final stages of Amazon listing setup. Sign up for our newsletter to receive your personal launch notification and potentially exclusive early-access pricing.
Where can I buy BIOCESS Spring Subun Ampoule?
The initial launch will be exclusively on Amazon US, offering Prime-eligible shipping with convenient returns. We plan to expand to additional markets and retail channels following the initial launch. International customers — please register your interest via our contact form.
What makes 5 types of hyaluronic acid better than one?
Single-weight hyaluronic acid can only reach one layer of skin. Our 5-molecular-weight system works simultaneously at every depth — from the deepest dermis to the outermost surface — creating truly comprehensive, lasting hydration that single-weight products simply cannot achieve. Think of it like watering not just the top of the soil, but all the way to the roots.
Is Spring Subun Ampoule suitable for sensitive skin?
Yes. The formula is designed to be gentle and non-irritating. It is free from parabens, artificial colorants, and known irritants. The inclusion of allantoin and centella asiatica further helps calm sensitive or reactive skin. As with any new product, we recommend a patch test before full application.
How much product is in one bottle? How long does it last?
Each bottle contains 80ml (2.7 fl. oz.) — significantly more than the industry standard 30ml serums. With recommended twice-daily use (3–4 drops per application), one bottle lasts approximately 2–3 months, making it exceptional value compared to similarly priced serums.
How do I incorporate it into my routine?
Apply 3–4 drops onto cleansed, slightly damp skin before your moisturizer. Use morning and evening for best results. The slightly damp skin technique is key — hyaluronic acid works by binding to water, so having moisture present helps it absorb and perform optimally. Learn more on our Product page.