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Cosmetic Peptides

Acetyl Dipeptide-1 Cetyl Ester vial promoting skin elasticity and firmness.Acetyl Dipeptide-1 Cetyl Ester (Idealift™)
Acetyl Dipeptide-1 Cetyl Ester
Enhance Your Skin with Idealift™ Acetyl Dipeptide-1 Cetyl Ester, also referred to as Lipo-dipeptide Tyr-Arg or N-Acetyl-Tyrosyl-Arginyl-Hexadecyl Ester (NATAH), is a cutting-edge lipopeptide developed by Sederma. It is widely recognized in skincare under the trade name Idealift™ for its potential benefits. Key Benefit: Supports Skin Elasticity...
from $107.00 USD
from $107.00 USD
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Vial of Glutathione (GSH) for research use, 99% purity, 1g quantity.Antioxidant Peptide Glutathione (GSH)
Antioxidant Peptide Glutathione (GSH)
L-Glutathione is a short peptide composed of just cysteine, glutamate, and glycine. It occurs naturally throughout the body and acts primarily as an antioxidant and as a supportive agent to a number of processes in the central nervous system. Glutathione is especially important in...
from $65.00 USD
$141.67 USD
from $65.00 USD
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Acetyl Hexapeptide-8 Argireline vial for wrinkle reduction and smoother skin.Acetyl Hexapeptide-8 (Argireline®)
Acetyl Hexapeptide-8 (Argireline®)
Unlock Youthful Skin with Acetyl Hexapeptide-8 (Argireline®) Achieve visibly smoother skin and reduced wrinkle depth with Acetyl Hexapeptide-8, also known as Argireline®! This powerful peptide is designed to inhibit neurotransmitter release, helping to diminish the appearance of fine lines and expression wrinkles without the need...
from $97.00 USD
$110.00 USD
from $97.00 USD
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Cosmetic Peptides

Peptides are segments of protein and occur in a wide variety of in the body exerting many important biological activities and physiological functions. Cosmetic Peptides are a class of short, small peptides that can be used for cosmetic and skincare products. When applied topically to skin peptides have been shown to have various benefits including (e.g. anti-aging, anti-wrinkle activities). Today, Cosmetic Peptides are becoming more and more popular due to their wonderful bioactivities and safety. Cosmetic Peptide is the next tide of high-notch skincare products!

Qualitide is committed to providing the best cosmetic peptides with the highest quality peptides at the lowest price.

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  • Acetyl Dipeptide-1 Cetyl Ester vial promoting skin elasticity and firmness.Acetyl Dipeptide-1 Cetyl Ester (Idealift™)
    Acetyl Dipeptide-1 Cetyl Ester
    Enhance Your Skin with Idealift™ Acetyl Dipeptide-1 Cetyl Ester, also referred to as Lipo-dipeptide Tyr-Arg or N-Acetyl-Tyrosyl-Arginyl-Hexadecyl Ester (NATAH), is a cutting-edge lipopeptide developed by Sederma. It is widely recognized in skincare under the trade name Idealift™ for its potential benefits. Key Benefit: Supports Skin Elasticity...
    from $107.00 USD
    from $107.00 USD
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  • Vial of Glutathione (GSH) for research use, 99% purity, 1g quantity.Antioxidant Peptide Glutathione (GSH)
    Antioxidant Peptide Glutathione (GSH)
    L-Glutathione is a short peptide composed of just cysteine, glutamate, and glycine. It occurs naturally throughout the body and acts primarily as an antioxidant and as a supportive agent to a number of processes in the central nervous system. Glutathione is especially important in...
    from $65.00 USD
    $141.67 USD
    from $65.00 USD
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  • Acetyl Hexapeptide-8 Argireline vial for wrinkle reduction and smoother skin.Acetyl Hexapeptide-8 (Argireline®)
    Acetyl Hexapeptide-8 (Argireline®)
    Unlock Youthful Skin with Acetyl Hexapeptide-8 (Argireline®) Achieve visibly smoother skin and reduced wrinkle depth with Acetyl Hexapeptide-8, also known as Argireline®! This powerful peptide is designed to inhibit neurotransmitter release, helping to diminish the appearance of fine lines and expression wrinkles without the need...
    from $97.00 USD
    $110.00 USD
    from $97.00 USD
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  • Vial of Dipeptide-2 for skin conditioning and decongestant effects.Dipeptide-2
    Dipeptide-2
    Dipeptide-2 is a biologically active peptide with the sequence Val-Trp (VW) that can inhibit both Angiotensin Converting Enzymes (ACE I and II) which regulate the volume of fluids in the body. This is a perfect property for preparations where liquid drainage or enhancement of circulation is...
    from $18.48 USD
    $21.00 USD
    from $18.48 USD
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  • Copper Tripeptide-1 vial for anti-aging and skin firming.Copper Tripeptide-1 (GHK-Cu)
    Anti-aging Peptide Copper Tripeptide-1 (GHK-Cu)
    Overview Copper peptides, particularly the copper-tripeptide complex GHK-Cu, are powerful cosmeceutical ingredients used primarily in anti-aging products. Naturally occurring and synthesizable, they stimulate collagen and elastin production, leading to firmer, smoother skin. Their applications extend beyond skincare, encompassing hair growth stimulation and wound healing....
    from $157.00 USD
    $100.00 USD
    from $157.00 USD
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  • Myristoyl hexapeptide-23 vial for acne treatment, 100 mg purity.Myristoyl Hexapeptide-23
    Myristoyl hexapeptide-23
    What is Myristoyl Hexapeptide-23?Myristoyl Hexapeptide-23, also known as SymPeptide® 380, is a synthetic lipo-peptide designed to combat Propionibacterium acnes (now reclassified as Cutibacterium acnes), a common bacteria responsible for acne and other skin conditions. With the sequence Myristoyl-Ala-Lys-Lys-Leu-Lys-Leu-NH₂, this peptide offers potent antibacterial activity...
    from $199.00 USD
    $1,293.00 USD
    from $199.00 USD
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  • β-alanyl-L-histidine vial, 99% purity, quality peptide store.Carnosine (β-alanyl-L-histidine)
    Carnosine (β-alanyl-L-histidine)
    Overview Carnosine (β-alanyl-L-histidine) is a naturally occurring dipeptide with potent antioxidant and anti-glycation properties, making it a valuable ingredient in anti-aging skincare products. Mechanism of Action Carnosine's benefits stem from its ability to: Scavenge ROS and RCS: It neutralizes reactive oxygen and carbonyl species, protecting...
    from $19.00 USD
    from $19.00 USD
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  • Eyeliss™ for eye puffiness and dark circlesEyeliss™ for eye puffiness and dark circles
    Eyeliss™ for eye puffiness and dark circles
    Eyeliss™ is a peptide complex consisting of three biologically active ingredients: Hesperidin methyl chalcone, Dipeptide-2 (Valyl-Tryptophane; Dipeptide-VW), a lipopeptide Palmitoyl Tetrapeptide-7 (Pal-GQPR) that prevents puffiness and diminishes under-eye bags. It improves fluid drainage, reduces capillary fragility, and lowers irritation and skin slackening while increasing...
    from $56.40 USD
    $60.00 USD
    from $56.40 USD
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  • Acetyl Octapeptide-3 vial, 100 mg, anti-aging peptide for wrinkle reduction.Acetyl Octapeptide-3 (SNAP-8®)
    Acetyl Octapeptide-3 (SNAP-8®)
    Acetyl Octapeptide-3: A Potent Peptide for Expression Line Reduction Key Benefits Botox®-Like’ Effect: Helps reduce expression lines and wrinkles by up to 63% in just 30 days. Deep Penetrating Formula: Targets neurotransmitters that cause facial muscle contractions. Painless & Non-Toxic: A natural, needle-free alternative...
    from $69.00 USD
    $90.00 USD
    from $69.00 USD
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  • Tripeptide-1 vial for anti-aging and skincare, 100 mg purity by HPLC.Tripeptide-1 (GHK Basic, Oligopeptide-1)
    Tripeptide-1 (GHK Basic, Oligopeptide-1)
    What is Tripeptide-1?Tripeptide-1 is a powerful peptide known for its ability to protect and stabilize collagen fibers, preserving their native structure by binding to them. This action combats aging-induced wrinkles and enhances the skin's firmness. With its potent anti-collagenase properties, Tripeptide-1 prevents enzymatic degradation...
    from $36.30 USD
    $110.00 USD
    from $36.30 USD
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  • Tripeptide-10 Citrulline (Decorinyl®) peptide vial for youthful skin enhancement, 100 mg.Tripeptide-10 Citrulline (Decorinyl®)
    Tripeptide-10 Citrulline (Decorinyl®)
    Decorinyl® Tripeptide-10 Citrulline: Rediscover Youthful, Radiant Skin The Benefits of Restoring Collagen's Natural Structure: As we age, our skin's collagen structure degrades, leading to visible signs of aging like wrinkles, sagging, and loss of firmness. This is due to the decline in functional decorin,...
    from $64.67 USD
    $77.00 USD
    from $64.67 USD
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  • Tetrapeptide-30 vial for hyperpigmentation reduction and skin brightening.Tetrapeptide-30
    Tetrapeptide-30
    What is Tetrapeptide-30?Tetrapeptide-30 is a synthetic peptide (sequence: Pro-Lys-Glu-Lys, PKEK) inspired by the KEK motif (Lys-Glu-Lys) found in cathelicidin, an antimicrobial polypeptide. This multifunctional peptide effectively reduces hyperpigmentation caused by inflammation or UV exposure, balances skin tone, and regulates pigmentation-inducing factors. Key Benefits of Tetrapeptide-30...
    from $60.00 USD
    from $60.00 USD
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  • Tetrapeptide-21 vial, enhances collagen, elasticity, and hydration for anti-aging skin care.Tetrapeptide-21 (TEGO Pep4-17)
    Tetrapeptide-21 (TEGOPep4-17)
    What is Tetrapeptide-21?Tetrapeptide-21 (GEKG peptide) is a synthetic peptide that mimics the structure of fragments from extracellular matrix (ECM) proteins such as collagens I-V, elastin, and pro-elastin. This peptide boosts the production of essential ECM components like collagen, hyaluronic acid, and fibronectin, making it...
    from $70.00 USD
    $689.00 USD
    from $70.00 USD
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  • Pentapeptide-3 (Vialox®) vial for anti-aging skincare, 100mg, smooths wrinkles.Pentapeptide-3 (Vialox®)
    Pentapeptide-3 (Vialox®)
    What is Pentapeptide-3?Pentapeptide-3, also known as Vialox® peptide, is a synthetic peptide with the sequence Gly-Pro-Arg-Pro-Ala-NH2. It functions as an acetylcholine (ACh) competitive antagonist, mimicking the action of curare, a natural paralytic agent used historically for hunting and anesthesia. This peptide offers a needle-free,...
    from $82.00 USD
    $110.00 USD
    from $82.00 USD
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  • Pentapeptide-18 (Leuphasyl®) vial for anti-aging and wrinkle reduction solutions.Pentapeptide-18 (Leuphasyl®)
    Pentapeptide-18 (Leuphasyl®)
    Pentapeptide-18, also known as Leuphasyl®, is a synthetic pentapeptide with the sequence Tyr-D-Ala-Gly-Phe-Leu. This peptide mimics the action of natural enkephalins, endogenous opioids that inhibit neuronal activity. It effectively reduces expression wrinkles by modulating calcium (Ca²⁺) channels and relaxing facial muscles through an alternative...
    from $78.20 USD
    $115.00 USD
    from $78.20 USD
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  • Palmitoyl Tripeptide-5 SYN-Coll vial for anti-aging skincare.Palmitoyl Tripeptide-5 (SYN-Coll®)
    Palmitoyl Tripeptide-5 (SYN-Coll®)
    What is Syn-Coll®?Syn-Coll® is a patented lipo-tripeptide-based complex designed to mimic the body’s natural process of collagen production. Its unique peptide sequence, Pal-Lys-Val-Lys, activates Tissue Growth Factor-β (TGF-β), a critical component in collagen synthesis. This water-soluble peptide can be easily incorporated into skincare formulations,...
    from $77.00 USD
    $115.00 USD
    from $77.00 USD
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  • Nonapeptide-1 bottle for skin lightening and hyperpigmentation reduction.Nonapeptide-1
    Nonapeptide-1
    What is Nonapeptide-1?Nonapeptide-1, also known as Melanostatine™, is a synthetic biomimetic peptide designed to reduce melanin production in the skin. Acting as an antagonist of α-MSH (melanin-stimulating hormone), it blocks the activation of MC1-R receptors on melanocytes, effectively decreasing melanin synthesis and promoting a...
    from $95.00 USD
    $115.00 USD
    from $95.00 USD
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  • Palmitoyl Tetrapeptide-7 vial for skin health and anti-aging.Palmitoyl Tetrapeptide-7 (Rigin™, Lipopeptide)
    Palmitoyl Tetrapeptide-7 (Rigin™, Lipopeptide)
    What is Palmitoyl Tetrapeptide-7? Palmitoyl Tetrapeptide-7, also known as Rigin™ (previously Palmitoyl Tetrapeptide-3), is a lipopeptide developed by Sederma. This ingredient is designed to support the appearance of skin while promoting overall skin health, making it suitable for use in cosmetic and skincare formulations....
    from $89.00 USD
    $100.00 USD
    from $89.00 USD
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  • Palmitoyl Tripeptide-1 (Pal-GHK) vial, 100 mg, 99% purity, enhances collagen and skin elasticity, anti-aging peptide.Palmitoyl Tripeptide-1 (Pal-GHK)
    Palmitoyl Tripeptide-1 (Pal-GHK)
    What is Tripeptide-1 (GHK Peptide)?Tripeptide-1, also known as GHK peptide, is one of the most extensively studied cosmetic peptides. Discovered in 1973 in human blood plasma, it is a fragment of collagen type I, known for mimicking the natural growth factors responsible for enhancing...
    from $77.00 USD
    $105.00 USD
    from $77.00 USD
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  • Palmitoyl Pentapeptide-4 (Matrixyl®) vial, 100mg, quality peptide for anti-aging skincare.Palmitoyl Pentapeptide-4 (Matrixyl®)
    Palmitoyl Pentapeptide-4 (Matrixyl®)
    What is Pentapeptide-4?Pentapeptide-4, also known as Palmitoyl Pentapeptide-4 (formerly Palmitoyl Pentapeptide-3), is a synthetic peptide derived from pro-collagen I with the amino acid sequence lysine-threonine-threonine-lysine-serine (KTTKS). This peptide is a key component in the Matrixyl™ family of peptides, including Matrixyl™ 3000, Matrixyl™ synthe’6™, and...
    from $68.00 USD
    $100.00 USD
    from $68.00 USD
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