Skip to product information
1 of 9

Firming Peptide Serum with Hydroxyproline

Professional-Grade Firming & Wrinkle Smoothing Without Needles or Downtime | 99% Natural

30 ml / 1.01 fl oz

Regular price
€31,92 EUR
Regular price
€39,90 EUR
Sale price
€31,92 EUR
Tax included. Shipping calculated at checkout.

✓ Firms & lifts sagging skin — no injections needed
✓ Smooths wrinkles & fine lines with vegan peptides
✓ Instantly plumps while improving firmness over time
✓ Lightweight, fast-absorbing, zero stickiness
✓ Triple peptide complex for professional-grade results
✓ Suitable for all ages & all skin types

Skin type: Dry skin and Normal skin

Certified

Certified

Made in EU

Made in EU

Cruelty Free

Cruelty Free

Vegan

Vegan

Free shipping over 75 EUR

We ship your natural skincare with the same care we put into making it. View our complete shipping policy →

Full Ingredient List

Ingredients: Aloe Barbadensis (Aloe) Leaf Juice➀, Glycerin, Simmondsia Chinensis (Jojoba) Seed Oil➀, Aqua/Water, Pentylene Glycol, Cetearyl Alcohol, Sodium PCA, Isoamyl Laurate, Glyceryl Stearate Citrate, Dipalmitoyl Hydroxyproline, Propanediol, Parfum/Fragrance, Caprylic/Capric Triglyceride, Fragaria Ananassa (Strawberry) Seed Oil, Vaccinium Myrtillus (Blueberry) Seed Oil➀, Xanthan Gum, Hexapeptide-11, Phytosterols, Ricinus Communis (Castor) Seed Oil➀, Ascorbyl Palmitate, Hydrolyzed Hyaluronic Acid, Potassium Hydroxide, Sodium Hyaluronate, Sodium Phytate, Tocopherol, Leuconostoc/Radish Root Ferment Filtrate, Ginkgo Biloba Leaf Extract, CI 77491 (Iron Oxides)➁, Citric Acid, Sodium Benzoate, Potassium Sorbate, Glycolipids, Linalool➂, Geraniol➂, Citronellol➂
➀ Ingredients from organic farming
➁ Pure mineral pigments
➂ From natural essential oils

Peptide Serum, Terra Quirk
Firming Peptide Serum with Hydroxyproline
Firming Peptide Serum with Hydroxyproline
Firming Peptide Serum with Hydroxyproline
Firming Peptide Serum with Hydroxyproline
Firming Peptide Serum with Hydroxyproline
Firming Peptide Serum with Hydroxyproline
Peptide Serum, Terra Quirk

About this serum

Firmness comes from collagen your skin makes, not fillers injected into it. Signal production, don't bypass it.

Injectables work by temporarily paralyzing or filling—effects fade, treatments repeat endlessly. Peptides work by signaling your fibroblasts to manufacture structural proteins naturally, creating progressive firmness from genuine collagen and elastin production, not temporary cosmetic intervention that requires maintenance appointments.

Why This Serum Builds Instead of Faking

Signals natural lifting—vegan peptide complex communicates directly with fibroblasts to boost collagen and elastin synthesis, creating visible firming and lifting as structural proteins rebuild, not through paralysis or temporary filling

Smooths through rebuilding—diminishes wrinkles and fine lines by restoring the underlying support structure that keeps skin taut, not just plumping surface temporarily with hydration that evaporates

Two timelines, one formula—delivers instant surface plumping through hydration while simultaneously triggering long-term firmness improvement as peptide signaling accumulates and protein production increases

Professional concentration, wearable texture—triple peptide complex at clinical efficacy levels absorbs in seconds without the stickiness, heaviness, or pilling that makes high-concentration serums unwearable under moisturizer or makeup

Universal application—effective for prevention in your 20s-30s, maintenance in your 40s, or reversal in your 50s+, working with whatever collagen production capacity your skin currently has

The Firming That Compounds With Time

Injectables fade and require retreatment. Peptide signaling compounds—each application building on previous collagen synthesis, creating progressive improvement that doesn't disappear in 3-6 months.

Morning and evening: Apply 2-3 drops to cleansed skin before moisturizer. For accelerated results, layer under Anti-Age Day or Night Cream—peptides signal production, moisturizers protect what's built.

The result? Skin that progressively firms and lifts as weeks pass—not through temporary measures, but through stimulated collagen and elastin production your body maintains naturally. Sagging that improves. Wrinkles that soften from restored support underneath. Just genuine structural improvement that proves peptides create lasting firmness injectables only fake temporarily.

vegan
cosmos
FDA
BUREAU
WHAT MAKES TERRA QUIRK DIFFERENT
Terra Quirk
Other Premium brands
Peptide Source

✅ 100% vegan

✅ Plant-derived

❌ Often animal-derived

(marine collagen, etc.)

Texture

✅ Lightweight serum

✅ Instant absorption

⚠️ Heavy and sticky

⚠️ Formulas that pill

Peptide Complexity

✅ Triple peptide synergy

(Hydroxyproline + Hexapeptide-11 + Phytosterols)

⚠️ Single peptide formulations

Hydration Boost

✅ Dual-weight Hyaluronic Acid included

❌ Often lack moisturizing ingredients

Natural Content

✅ 99% plant-based
✅ ECOCERT certified

❌ Mostly synthetic
❌ No certification

Antioxidant Support

✅ Ginkgo Biloba + organic berry oils

⚠️ Limited complementary actives

Suitable for Makeup

✅ Absorbs instantly, no pilling or residue

❌ Often causes makeup to slide or pill

Age Range

✅ Preventative (25+) to corrective (mature)

⚠️ Usually targeted only to mature skin

Price (30ml)

€39.90

✅ Direct-to-you pricing

€60-140

⚠️ Retail markup

✨ Professional-grade results. Natural integrity. Honest pricing.

Key Benefits

Firming Peptide Serum with Hydroxyproline

✨ Boosts Collagen Production

Dipalmitoyl Hydroxyproline and Hexapeptide-11 signal your skin to rebuild collagen from within, visibly improving firmness and elasticity over time.

🎯 Plumps Fine Lines & Wrinkles

Dual-weight Hyaluronic Acid instantly hydrates and plumps, smoothing the appearance of fine lines while peptides work on deeper wrinkle reduction.

💪 Firms & Lifts Skin

Phytosterols thicken the epidermis from within, creating a visibly fuller, more lifted appearance that defies gravity and turns back the clock.

🌿 100% Vegan & Plant-Derived

All peptides are sourced from plants, not animals—delivering clinical-grade results while staying true to clean, cruelty-free beauty values.

💧 Lightweight, Fast-Absorbing

The serum texture absorbs instantly with zero sticky residue, making it perfect for layering under moisturizer or wearing alone before makeup.

🛡️ Strengthens Skin Structure

Amino acids and peptides work together to reinforce your skin's structural foundation, improving resilience and creating long-term anti-aging benefits.

REAL RESULTS, REAL SKIN

Firmer, more lifted skin with visibly smoothed wrinkles after 8 weeks of daily use

Before

After

✨ VISIBLE IMPROVEMENTS:
✓ Firmer, more lifted facial contours
✓ Reduced appearance of deep wrinkles and fine lines
✓ Improved skin elasticity and bounce
✓ Plumper, more resilient skin texture
✓ Smoother nasolabial folds and marionette lines
✓ More defined jawline and reduced jowl appearance
✓ Overall more youthful, structurally sound complexion

Results from consistent daily use (AM & PM) over 8 weeks. Individual results may vary.

WHY VEGAN PEPTIDES MATTER

Terra Quirk's Peptide Serum

  • 100% vegan, plant-derived peptides

  • Lightweight serum texture absorbs instantly

  • Combines multiple peptide types for synergy

  • Enhanced with antioxidants and hyaluronic acid

  • No animal-derived ingredients or testing

Traditional Peptide Serums

  • Often contain animal-derived peptides

  • Heavy, sticky textures that pill under makeup

  • Single peptide formulations (limited results)

  • Lack complementary hydrating ingredients

  • May not align with clean beauty values

Clinical Firming Power, From Nature's Lab

Your skin's collagen production naturally declines with age—but it doesn't have to show. Our Collagen-Boost Peptide Serum uses vegan, plant-derived peptides to signal your skin to rebuild, renew, and restore firmness from within.

What makes this formula transformative? We've combined Dipalmitoyl Hydroxyproline (a collagen-building amino acid) with Hexapeptide-11 (a powerful vegan peptide) and Phytosterols from tropical herbs to create a triple-action firming powerhouse. Enhanced with dual-weight Hyaluronic Acid for instant plumping and organic Jojoba, Strawberry, and Blueberry Seed Oils for nourishment, this lightweight serum absorbs instantly to deliver visible improvements in elasticity, firmness, and fine lines. It's the performance of clinical peptides with the integrity of clean, plant-based ingredients—because your skin shouldn't have to compromise.

Vitamin Woman
Left image

Pro Tips:

Apply to damp skin for deeper peptide penetration

Use morning AND night for accelerated firming

Layer strategically in your anti-aging routine

Mix with moisturizer for customized texture

Be patient—structural changes take 6-8 weeks

Right image

Key Ingredients

Dipalmitoyl Hydroxyproline

Dipalmitoyl Hydroxyproline

Feel your skin rebuild from within as this advanced collagen-building molecule strengthens your skin's structural foundation, revealing firmer, more resilient skin that defies gravity.

Hexapeptide-11

Hexapeptide-11

Watch your complexion transform as this powerful vegan peptide signals your skin to produce more collagen, visibly plumping fine lines and restoring the bounce you thought was gone forever.

Phytosterols

Phytosterols

Experience noticeable firming as these plant-derived actives thicken your epidermis from within, creating a visibly fuller, more youthful appearance that turns back the clock.

Hyaluronic Acid

Hyaluronic Acid

Feel your skin plump and smooth as fine lines visibly soften, revealing the fuller, more youthful appearance you thought you'd lost.

Aloe Vera Juice

Aloe Vera Juice

Let cooling relief wash over reactive skin as this botanical soother calms redness and irritation, leaving nothing but balanced, comfortable softness.

Jojoba Seed Oil

Jojoba Seed Oil

Balance meets nourishment—this lightweight wonder mimics your skin's natural oils to hydrate without heaviness, leaving every skin type feeling perfectly comfortable and naturally radiant.

Strawberry Seed Oil

Strawberry Seed Oil

Brighten and protect simultaneously as this antioxidant-rich berry oil floods your skin with vitamins and essential fatty acids, revealing a healthier, more radiant complexion.

Blueberry Seed Oil

Blueberry Seed Oil

Unlock smoother, softer skin as this antioxidant powerhouse reduces roughness and floods your complexion with youth-preserving nutrients that keep aging at bay.

Sidium PCA

Sidium PCA

Experience the instant relief of deep, lasting hydration as your skin drinks in moisture from the air, transforming dryness into soft, supple comfort that lasts all day.

Ginkgo Leaf Extract

Ginkgo Leaf Extract

Shield your skin from premature aging as this antioxidant-rich botanical defender neutralizes free radicals while improving texture and enhancing your natural vitality.

The Boldly Natural Routine: Your Path to Unapologetic Radiance

Discover our step-by-step guide to transforming your skin with powerful botanicals and clean science.

Earth-Conscious Beauty: Our Planet-First Promise

Every product reflects our commitment to sustainable practices, from eco-certified ingredients to recyclable packaging.

Explore our ECOCERT COSMOS Natural certification and comprehensive approach to environmental responsibility.

REAL PEOPLE, REAL RESULTS

The Bold Truth: FAQ Hub

Peptides are short chains of amino acids—the building blocks of proteins like collagen, elastin, and keratin that keep your skin firm, smooth, and resilient. Here's how they work: SIGNAL MESSENGERS: When peptides penetrate your skin, they act as messengers that tell your cells to produce more collagen and elastin. Think of them as instructions that wake up your skin's natural repair mechanisms. OUR TRIPLE PEPTIDE COMPLEX: 1. Dipalmitoyl Hydroxyproline - A collagen-building amino acid that strengthens your skin's structural foundation from within 2. Hexapeptide-11 - A powerful vegan peptide that signals fibroblasts (collagen-producing cells) to ramp up production, visibly plumping and firming skin 3. Phytosterols - Plant-derived actives that thicken the epidermis, creating fuller, more resilient skin THE RESULT: ✓ Visible firming and lifting of sagging skin ✓ Smoothing of deep wrinkles and fine lines ✓ Improved elasticity and bounce ✓ Stronger, more resilient skin structure ✓ Long-term prevention of future collagen loss Unlike topical fillers or instant plumpers that give temporary results, peptides create lasting structural improvements by rebuilding your skin from within.

Absolutely—peptides work both preventatively and correctively. FOR YOUR 20s-30s (PREVENTION): Starting peptides early is one of the smartest anti-aging strategies. Collagen production naturally declines starting around age 25, dropping about 1% per year. Using peptides proactively helps maintain your skin's structural integrity before visible sagging occurs. Benefits for younger skin: ✓ Preserves existing collagen and elasticity ✓ Prevents premature loss of firmness ✓ Strengthens skin's foundation for long-term resilience ✓ Maintains plump, bouncy skin texture ✓ Works alongside preventative retinol/bakuchiol FOR YOUR 40s-60s+ (CORRECTION): Peptides are powerful corrective actives for mature skin showing visible signs of collagen loss—sagging, deep wrinkles, loss of elasticity. Benefits for mature skin: ✓ Rebuilds depleted collagen stores ✓ Visibly firms and lifts sagging areas ✓ Smooths deep-set wrinkles and folds ✓ Restores lost plumpness and bounce ✓ Creates lasting structural improvements The sweet spot: Start in your late 20s for prevention, but it's never too late to begin. Skin cells retain the ability to produce collagen at any age when properly stimulated.

Yes! Peptides are highly compatible and actually enhance other anti-aging actives. SAFE & SYNERGISTIC COMBINATIONS: ✓ With Retinol/Bakuchiol (our Natural Retinol Alternative): PERFECT ANTI-AGING PARTNERSHIP. Retinol/Bakuchiol accelerates cell turnover, while peptides rebuild collagen. Use retinol/bakuchiol first (thinnest texture), then layer Peptide Serum on top. They amplify each other's benefits without increasing irritation. ✓ With Vitamin C (our Stable Vitamin C Serum): COMPLEMENTARY MECHANISMS. Vitamin C protects against environmental damage and stimulates collagen, while peptides signal cells to produce more. Morning routine: Vitamin C first, Peptide Serum second, SPF third for comprehensive photoaging defense. ✓ With AHAs/BHAs (our AHA Peeling Concentrate): SUPPORTIVE PAIRING. Acids exfoliate dead cells and improve penetration, while peptides repair and rebuild. Use acids 2-3x/week at night, then follow with Peptide Serum to support skin recovery and collagen synthesis. ✓ With Niacinamide (our 5% Niacinamide Gel): BARRIER-BUILDING DUO. Niacinamide strengthens your moisture barrier while peptides strengthen structural integrity. Layer peptides first, then Niacinamide Gel for enhanced firming and hydration. ✓ With Hyaluronic Acid: Already included in our formula! But you can layer additional HA serums underneath for extra plumping. LAYERING ORDER (thinnest to thickest): Water-based serums (Vitamin C, HA) → Peptide Serum → Oils → Creams → SPF Peptides are team players—they work beautifully in comprehensive anti-aging routines.

Yes—100% vegan, plant-derived peptides. Here's why that matters: TRADITIONAL PEPTIDE SOURCES: Many peptide products contain animal-derived ingredients: Marine collagen (from fish skin/scales) Bovine collagen (from cow hide/bones) Silk peptides (from silkworm cocoons) Egg-derived peptides OUR VEGAN PEPTIDES: All peptides in our formula are synthesized from plant sources through biotechnology and fermentation. They're molecularly identical to natural skin peptides but created without animal exploitation. WHY VEGAN PEPTIDES ARE SUPERIOR: 1. ETHICAL & CRUELTY-FREE: No animals harmed or exploited in production. Aligns with clean beauty values and conscious consumerism. 2. LOWER ALLERGEN RISK: Animal-derived ingredients carry higher risk of allergic reactions, especially marine sources. Plant-based peptides are gentler and better tolerated. 3. MORE SUSTAINABLE: Plant fermentation has lower environmental impact than animal agriculture or marine harvesting. Better for the planet. 4. EQUALLY EFFECTIVE: Clinical studies show vegan peptides deliver identical (or superior) collagen-boosting results compared to animal-derived versions. You sacrifice nothing. 5. CLEANER FORMULATION: Animal sources can carry contaminants or require heavy processing. Plant-derived peptides are cleaner and more refined. OUR CERTIFICATION: ✅ 100% vegan (no animal ingredients) ✅ Cruelty-free (no animal testing) ✅ ECOCERT COSMOS certified ✅ Plant-based active ingredients Bottom line: You get clinical-grade firming results without compromising your values or supporting animal exploitation. That's performance with integrity.

VS. EXPENSIVE PEPTIDE SERUMS: Many luxury peptide products contain only one type of peptide or use animal-derived sources. Our formula combines three complementary vegan peptides that work synergistically for superior results. We also enhance them with Hyaluronic Acid for instant plumping and organic oils for nourishment—creating a complete anti-aging treatment, not just isolated peptides. At €39,90, you're getting: ✅ Clinical-grade peptide concentration ✅ Triple peptide synergy (not single-ingredient formulas) ✅ 100% vegan and ECOCERT certified ✅ Enhanced with HA and antioxidants ✅ Honest pricing without luxury markup Bottom line: Peptides won't give you instant results like injections, but they create genuine structural improvements without needles, downtime, or repeated expensive treatments.

Yes—and you absolutely should use it on these areas. Neck, décolletage, and hands often show aging faster than the face because: Thinner skin with less collagen reserves Frequently exposed to sun damage Often neglected in skincare routines Subject to repetitive movements (tech neck, hand washing) Our Peptide Serum is ideal for these areas because: ✓ Lightweight texture absorbs instantly without feeling greasy or heavy ✓ Non-sticky formula won't transfer to clothing or feel uncomfortable ✓ Economical - the 30ml bottle provides enough for face, neck, and décolletage use ✓ Safe for thin skin - gentle peptides won't irritate delicate areas ✓ Firms crepey texture - particularly effective on loose neck and chest skin Application tips: Neck: Apply upward strokes from collarbone to jawline Chest: Smooth from center outward toward shoulders Hands: Apply after hand washing, focusing on the back of hands For hands specifically, follow with our Hydrating Hand Cream to seal in peptides and add extra nourishment. Don't neglect these telltale aging zones—comprehensive anti-aging means treating all exposed skin, not just your face.

30ml / 1.01 fl oz Face only: 8-10 weeks with twice-daily use Face + neck: 6-8 weeks with twice-daily use Face + neck + chest: 4-6 weeks with twice-daily use Usage amount: 1-2 pumps are sufficient for face and neck. The lightweight serum spreads easily and a little goes a long way. RESULTS TIMELINE: WEEK 1-2: Skin feels more hydrated and supple (Hyaluronic Acid working) Smoother texture upon application Subtle improvement in skin bounce WEEK 3-4: Fine lines begin to soften Skin appears slightly plumper Improved radiance and healthy glow Texture refinement becomes noticeable WEEK 6-8: Visible firming of facial contours Noticeable reduction in deep wrinkles Improved elasticity - skin bounces back when pressed Lifted appearance around jawline and cheeks Overall more youthful, structurally sound complexion WEEK 8+: Continued improvement with consistent use Long-term prevention of future collagen loss Maintained firmness and resilience FOR BEST RESULTS: Use twice daily (AM & PM) consistently Don't skip days—peptides work cumulatively Take before photos to track progress objectively Be patient—you're rebuilding skin structure, not applying a quick fix PRO TIP: Mark your 8-week point on your calendar. That's when most people experience the "wow" moment when they compare to their starting point.