Lemon Balm Extract
Provides antioxidant support and helps preserve the youthful look and vitality of the scalp.

Skincare Boutique & Facial Institute
Skincare Boutique & Facial Institute
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Explore La Crem rewardsRené Furterer Tonucia Concentrated Youth Serum is a leave-in day treatment designed to moisturize, protect, and revitalize the scalp for denser, more vibrant-looking hair.
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5238 Windermere Boulevard
Edmonton AB T6W 0L9
Canada
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The haircare focus
René Furterer Tonucia Concentrated Youth Serum is a leave-in day treatment designed to moisturize, protect, and revitalize the scalp for denser, more vibrant-looking hair.
Explore our ingredient glossaryRene Furterer
The ingredients behind this formula—and what they bring to your hair and scalp.
Lemon Balm Extract
Provides antioxidant support and helps preserve the youthful look and vitality of the scalp.
Plant-Based Hyaluronic Acid
Helps support scalp hydration and moisture retention.
Orange Essential Oil
Helps revitalize the scalp while adding a fresh sensorial experience.
Ingredient imagery is illustrative. Explore the full ingredient list below.
The hair & scalp edit
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Tonucia Concentrated Youth Serum
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Explore the product directions and our recommended pairings below.
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Made to work together
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Ask our team for a pairingRené Furterer Tonucia Concentrated Youth Serum is a leave-in day treatment designed to moisturize, protect, and revitalize the scalp for denser, more vibrant-looking hair.
Worth knowing
A closer look at your hair, your routine and what goes into the formula.
René Furterer Tonucia Concentrated Youth Serum is a leave-in day treatment designed to moisturize, protect, and revitalize the scalp for denser, more vibrant-looking hair.
Created to help preserve the youthful vitality of the scalp, this lightweight serum helps protect against the visible effects of free radicals while supporting hair that looks thicker, shinier, and full of life. Enriched with plant-based hyaluronic acid, antioxidant lemon balm extract, revitalizing orange essential oil, wheat microprotein, and tamarind seed extract, the formula helps support scalp hydration, density, and radiance without rinsing.
Used two to three times per week, Tonucia Concentrated Youth Serum helps care for the scalp as the foundation for stronger-looking, more luminous hair.
Shop René Furterer Tonucia Concentrated Youth Serum online at Loshen & Crem with fast shipping across Canada.
We recommend René Furterer Tonucia Concentrated Youth Serum for clients whose hair looks less dense, less vibrant, or more depleted over time.
This is a beautiful leave-in scalp treatment for anyone wanting to support the scalp as the foundation for fuller, shinier, healthier-looking hair. Apply carefully section by section and take a moment to massage, as the massage step helps distribute the serum evenly and enhances the scalp ritual.
Pair with the appropriate René Furterer shampoo and conditioner based on your scalp and hair needs.
Key Ingredients:
Full Ingredients List:
WATER (AQUA), PENTYLENE GLYCOL, ALCOHOL, PHOSPHOLIPIDS, BIOTIN, CARBOMER, CITRAL, CITRONELLOL, CITRUS AURANTIUM DULCIS (ORANGE) PEEL OIL (CITRUS AURANTIUM DULCIS PEEL OIL), FRAGRANCE (PARFUM), GERANIOL, GLYCINE SOJA (SOYBEAN) OIL (GLYCINE SOJA OIL), GLYCINE SOJA (SOYBEAN) STEROLS (GLYCINE SOJA STEROLS), GLYCOLIPIDS, HYDROLYZED WHEAT PROTEIN, LIMONENE, MELISSA OFFICINALIS FLOWER/LEAF/STEM EXTRACT, NIACINAMIDE, PANTHENOL, PANTOLACTONE, PYRIDOXINE HCL, SODIUM BENZOATE, SODIUM HYDROXIDE, TAMARINDUS INDICA SEED GUM, TOCOPHERYL ACETATE.
Please refer to the product packaging for the most current ingredient list.
What is René Furterer Tonucia Concentrated Youth Serum used for?
René Furterer Tonucia Concentrated Youth Serum is used to moisturize, protect, and revitalize the scalp while supporting denser, shinier, more vibrant-looking hair.
Is Tonucia Concentrated Youth Serum a leave-in treatment?
Yes. This is a leave-in day treatment. Apply to the scalp, massage in, and do not rinse.
Who is this serum best for?
It is best for hair that looks less dense, less vibrant, dull, or depleted, and for anyone wanting to support scalp vitality over time.
How often should I use it?
Use two to three times per week.
Should I apply it to wet or dry hair?
Apply to a dry or damp scalp, section by section.
Do I rinse it out?
No. Do not rinse after application.
Does it help with hair density?
Yes. Tonucia Concentrated Youth Serum helps support the look of denser, thicker, more radiant hair.
Is it silicone-free?
Yes. The formula is silicone-free.
Is it vegan?
Yes. Tonucia Concentrated Youth Serum has a vegan formula.
Can I buy René Furterer Tonucia Concentrated Youth Serum in Canada?
Yes. Shop René Furterer Tonucia Concentrated Youth Serum online at Loshen & Crem with fast shipping across Canada.
For delivery and return information, view our policy.
Provides antioxidant support and helps preserve the youthful look and vitality of the scalp.
Helps support scalp hydration and moisture retention.
Helps revitalize the scalp while adding a fresh sensorial experience.
Helps fortify and support the look of stronger, thicker hair.
Helps optimize moisture retention for improved scalp and hair comfort.
Helps support scalp vitality and overall scalp comfort.
Helps hydrate, soften, and support smoother-looking hair.
Helps support the appearance of stronger, healthier-looking hair.
A form of vitamin E that provides antioxidant support.
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A little guidance. A more considered routine.
Beautiful formulas are only part of the story. Knowing what belongs in your routine makes all the difference.
Talk through your hair and scalp needs, the products you already use and the questions on your mind with our team.
Ask our team Just a product question? Ask us.The care behind your care
From your first question to your next replenishment, there’s a real person here to help.
You don’t need to start over. Bring us your current routine and we’ll help you understand where a new formula fits.
Ask our teamTell us about your hair, your scalp and how you like to care for them. We’ll help you find a thoughtful starting point.
Find your starting pointA question about how to use it? Unsure about your next step? You’re welcome to come back to our team for guidance.
We’re here to helpFrom our Edmonton boutique
Discover Tonucia Concentrated Youth Serum at Loshen & Crem, a skin-health boutique and facial studio in Edmonton, Alberta. Explore the Rene Furterer collection online across Canada, or ask our team how this formula fits into your hair and scalp routine.
A little care, to keep.
The guidance you’ll want when you get home: how to use it, what to expect and when to check in. A little reminder, with your team still in reach.