Yelf. Viva el Boost

Collagen Serum

753

44,90 €

30 ml / 1 fl. oz.

Yelf. Viva el Boost Collagen Serum restores firmness and elasticity with a deep surge of hydration. Powered by hyaluronic acid, sodium PCA and botanical extracts, it smooths fine lines and leaves skin radiant, resilient and full of life.

Firms, hydrates and smooths the skin.

Absorbs quickly for a fresh, dewy glow.

Enhances elasticity and comfort.

Estimate delivery between Mar 04 - Mar 07

Free shipping over € 49

Secure payment

14-days return policy

Vegan

Cruelty free

Produced in the EU

Free shipping over € 49

Secure payment

14-days return policy

Vegan

Cruelty free

Produced in the EU

Your daily dose of firmness.

Yelf. Viva el Boost Collagen Serum delivers visible firmness and hydration in one silky, fast-absorbing formula. Hyaluronic acid and Sodium PCA work together to smooth fine lines, enhance elasticity and restore bounce to the skin. Watercress and elderberry extracts energise and protect, promoting a fresh, radiant complexion full of vitality.

Light in texture yet powerful in effect, this serum provides instant comfort and long-term resilience. It supports the skin’s natural structure while locking in moisture, leaving behind a soft, dewy finish that radiates quiet strength and effortless freshness.

All natural.
All vegan.

100%

natural

origin

23%

organic

origin

Elasticity and energy, powered by Collagen.

Hyaluronic acid is the skin’s ultimate hydrator. It attracts and binds moisture deep within the layers of the skin, instantly plumping and smoothing the surface. Fine lines appear softened, elasticity improves, and the complexion regains its fresh, supple radiance.

Essential actives for smooth, resilient skin.

Sodium PCA enhances the skin’s natural ability to retain moisture, reinforcing hydration from within. Sunflower seed oil provides lightweight nourishment, while watercress and elderberry extracts deliver antioxidant protection and help the skin recover from daily stress. Together, they promote a smoother, more resilient and naturally glowing appearance.

Aging Bye Bye
at a glance.

Firmness you can feel

Marine collagen extract strengthens the skin’s structure, improving elasticity and visible smoothness.

Hydration that supports renewal

Hyaluronic acid and sunflower oil lock in moisture, leaving the skin soft and plump.

Lightweight texture, lasting comfort

Absorbs easily, energising the complexion without heaviness or residue.

Revive your natural resilience

Enhances firmness and radiance, revealing fresh, youthful-looking skin with every use.

Good skin?
happy customer!

How to use?

01.

Use morning and/or evening on freshly cleansed skin to firm, smooth and restore natural elasticity.

02.

Apply a few drops to face and neck, distributing evenly to allow the concentrated formula to envelop the skin.

03.

Gently press the serum into your skin with your fingertips to boost absorption and activate the collagen-supporting ingredients.

04.

For a complete lifting ritual, combine with Yelf. Aging Bye Bye Hyaluron Eye Cream and Yelf. Aging Bye Bye Hyaluron Eye Cream to seal in hydration and enhance firmness, leaving your complexion refined, resilient and radiant.

Your skin
needs more?
No nasty surprises, just truely natural ingredients!

Aqua, Glycerin➁, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Seed Oilβž€, Pentylene Glycol, Cetearyl Alcohol, Glyceryl Stearate Citrate, Sodium PCA, Cellulose, Parfum, Hydrolyzed Hyaluronic Acid, Xanthan Gum, Glyceryl Caprylate, Nasturtium Officinale (Watercress) Flower/Leaf Extractβž€, Sambucus Nigra (Elder) Fruit Extractβž€, Ascorbyl Palmitate, Sodium Hyaluronate, Sodium Phytate, Potassium Hydroxide, Linaloolβž‚, Geraniolβž‚, Citronellolβž‚

βž€ Ingredients from organic farming
➁ Made using organic ingredients
βž‚ From natural essential oils

FAQs

Is this product vegan and cruelty-free?

Yes. All Yelf products are 100% vegan and not tested on animals.

Does this product contain problematic ingredients?

We deliberately avoid parabens, silicones, microplastics, mineral oils and synthetic fragrances. You’ll find the full INCI list on this page.

Can I use this product during pregnancy?

Our formulations do not contain prohibited ingredients. If you are unsure, we recommend consulting a medical professional.

Where is this product manufactured?

Our products are manufactured within the European Union in compliance with the applicable EU Cosmetic Regulation.

What does Yelf stand for?

More attitude. More responsibility. Less exclusion. We believe that high-quality skincare should be accessible to everyone – regardless of age, skin type, background or identity.

Need help? 

Please check our extensive FAQ page, there you'll find answers to all your questions...and if not, our contact details are also listed there.

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your routine!

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Products
All Products
Clean Affairs – Facial cleansing.
Aging Bye Bye – Anti-aging face care.
Spot Off – Spot treatments.
Viva el Boost – Skin booster.
Company
About
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Contact
Legal notice
Terms
Shipping Policy
Payment Terms
Refund Policy
Right of Withdrawal
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Privacy Policy
Cookies
Business
Wholesale
Retail
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Products

All Products
Clean Affairs – Facial cleansing.
Aging Bye Bye – Anti-aging face care.
Spot Off – Spot treatments.
Viva el Boost – Skin booster.

Company

About
FAQs
Contact
Legal Notice

Terms

Shipping Policy
Payment Terms
Refund Policy
Right of Withdrawal
Terms and Conditions
Privacy Policy
Cookies

Business

Wholesale
Retail
Amazon
Β© 2026 Yelf. All Rights Reserved.

Collagen Serum

Firms and hydrates for a plump, dewy glow.