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Description
La Mente Proteoglycan — Concentrate Serum, Professional Use, 100 ml
Overview
La Mente Proteoglycan is a professional-use concentrate serum built around water-soluble proteoglycan extracted from salmon nasal cartilage. Proteoglycan is a moisture-binding ingredient that holds large amounts of water, and here it sits in a short base so it can be used on its own or blended into your lotions and creams. Explore the full La Mente collection or other face serums.
Key Benefits
- ✓ Built around water-soluble proteoglycan from salmon cartilage
- ✓ Proteoglycan is a water-binding ingredient valued for its moisture-holding properties
- ✓ Short base — water, humectant, proteoglycan, preservative
- ✓ Flexible use: apply neat as a serum or mix into lotions and creams
- ✓ Generous 100 ml professional-use size
- ✓ From La Mente, Japan; packed and shipped from Kobe
Product Details
| Brand | La Mente |
|---|---|
| Country of origin | Japan |
| Product type | Concentrate serum (professional use) |
| Format / Volume | Liquid serum, 100 ml |
| Vendor | La Mente |
| Line | La Mente professional-use skincare |
| Quasi-drug status | General cosmetic (not a quasi-drug) |
Who Is This For?
- Those who want a focused proteoglycan concentrate
- People who like to customise their routine by mixing serums into creams
- Dry or mature skin looking for extra moisture-binding ingredients
- Salon and professional users needing a larger 100 ml format
How to Use
- Cleanse and tone the skin.
- Apply a few drops directly to the face as a serum, or mix a few drops into your lotion or cream.
- Press gently until absorbed.
- Follow with your usual moisturiser if used on its own.
Frequency: Morning and/or evening, after cleansing.
Full Ingredients
Water, BG (butylene glycol), water-soluble proteoglycan, phenoxyethanol.
Refer to the packaging for the definitive ingredient list.
Cautions
- For external use only.
- Contains a fish-derived ingredient (salmon proteoglycan) — avoid if you have a fish allergy.
- Discontinue use if redness, itching or irritation occurs and consult a specialist.
- Avoid contact with eyes; rinse with water on contact.
- Keep out of reach of children, away from direct sunlight and high temperatures.
Package Contents
1 × La Mente Proteoglycan concentrate serum, 100 ml.
Shipping & Store Notes
- Ships directly from Japan
- Processing time: 2–6 business days
- Tracking number provided after dispatch
- Import duties and taxes may apply depending on destination country
- Opened cosmetics cannot be returned for hygiene and safety reasons
Authenticity Guarantee
Every product at Tsujimoto Market is sourced directly from Japan and verified for authenticity. We never sell fakes or grey-market goods. Each order is carefully packed in Kobe, Japan and dispatched with full tracking.
FAQ
What is proteoglycan?
Proteoglycan is a moisture-binding ingredient — here sourced from salmon nasal cartilage — known for holding large amounts of water, which is why it is popular in hydrating skincare.
Can I mix it into my cream?
Yes. It is designed to be flexible: apply a few drops neat as a serum, or blend a few drops into your lotion or cream.
Is this product halal?
It contains an animal-derived ingredient (proteoglycan from salmon, a fish). Fish ingredients are generally considered acceptable, but anyone requiring formal halal certification should verify, as the product is not halal-certified.
Is the 100 ml size only for professionals?
It is sold as a professional-use size, but the product itself is a standard cosmetic serum that can be used at home following the directions.
Is it authentic and how is it shipped?
Yes — sourced in Japan and shipped from Kobe with tracking. Import duties may apply depending on destination.

