iS Clinical Youth Serum
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iS Clinical Youth Serum is a dual-action firming serum that delivers two things at once: an immediate tightening effect you can see within minutes and progressive, structural improvements that build over time. The lightweight formula absorbs quickly and is fragrance-free, making it a reliable daily treatment for anyone focused on firmness, fine lines, and long-term skin resilience.
Key Benefits
Instant tightening you can see right away Film-forming polymers and a blend of proteins, including hydrolyzed casein, hydrolyzed wheat protein, and hydrolyzed soy protein, create a visible smoothing effect on the skin's surface almost immediately after application.
Long-term firming through peptide support Tripeptide-1 (a copper tripeptide) and tripeptide-10 citrulline work progressively to improve skin density and minimize the depth of fine lines and expression wrinkles over time.
Structural support from centella asiatica actives Asiaticoside, asiatic acid, and madecassic acid, the active compounds derived from centella asiatica, support collagen synthesis and help reinforce the skin's underlying structure for a firmer, more resilient texture.
Environmental protection and DNA-level repair Pseudoalteromonas ferment extract, the source of iS Clinical's Extremozymes, provides advanced antioxidant defense and helps repair visible damage from UV exposure and oxidative stress, offering a level of protection that most firming serums do not include.
Antioxidant reinforcement with tocopheryl acetate and ascorbyl palmitate Tocopheryl acetate (a stable form of vitamin E) and ascorbyl palmitate (a lipid-soluble vitamin C derivative) work together to neutralize free radicals and support a more even, protected complexion over consistent use.
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This serum is well-suited for anyone dealing with visible loss of firmness, fine lines, or skin laxity, particularly in areas like the jaw, neck, and chest that tend to show early signs of sagging. If your skin has started to look less lifted or defined than it once did, the combination of immediate smoothing and long-term peptide support in this formula addresses both what you see today and what builds over time.
It also works well as a preventive step for those who are just beginning to notice the first signs of aging and want to get ahead of density loss before it becomes more pronounced. The formula is lightweight and absorbs easily, making it a comfortable fit for normal, combination, and oily skin types. Drier skin types can use it, though they may want to follow with a richer moisturizer to seal in the treatment.
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For the most noticeable firming results, press the serum into skin using flat palms rather than fingertips. This technique distributes the product evenly without disrupting the film-forming polymers that create the tightening effect, and it reduces the chance of pilling when you layer products on top.
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Prepare: Apply to clean, dry skin after cleansing and toning.
Apply: Dispense 1 to 2 drops into your palm and press gently onto the face, neck, and chest.
Technique: Use only the recommended amount. The film-forming ingredients that create the firming effect will pill on the skin's surface if too much product is applied. Allow the serum to absorb completely before layering with moisturizer or other treatments.
Frequency: Use morning and evening. Follow with SPF in the morning.
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Key Ingredients
- Extremozymes: Proprietary combination of extremophilic enzymes clinically proven to protect and repair DNA in the skin.
- Retinyl Palmitate: Stable form of vitamin A that offers antioxidant protection and counteracts the appearance of dry, flaky skin.
- Copper Tripeptide-1: Contains three amino acids (glycine, histidine, and lysine) combined with the mineral copper. Supports healing and regeneration, boosts collagen synthesis, and delivers beneficial epigenetic messages to cells.
- Vitamin E (Tocopherol): Soothes, brightens, and helps reverse and protect against environmental damage.
- Vitamin C (Ascorbyl Palmitate): Stabilized oil-soluble form of vitamin C, more easily absorbed into the skin, with antioxidant benefits and unique hydrating properties.
- Centella Asiatica Extract: Helps to strengthen and repair the skin's moisture barrier with potent anti-inflammatory benefits and antioxidant protection.
Water/Aqua/Eau, PVP, Caffeine, Glycerin, Disodium EDTA, Hydroxyethylcellulose, Ceratonia Siliqua (Locust Bean) Gum, Hydrolyzed Casein, Pseudoalteromonas Ferment Extract, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein, Tripeptide-10 Citrulline, Tripeptide-1, Lecithin, Butylene Glycol, Xanthan Gum, Carbomer, Triethanolamine, Caprylyl Glycol, Phenoxyethanol, Ahnfeltia Concinna Extract, Beta Vulgaris (Beet) Root Extract [Extrait de racine de betterave], Haberlea Rhodopensis Leaf Extract, Yeast Extract/Faex/Extrait de levure, Acetyl Tyrosine, Proline, Hydrolyzed Vegetable Protein, Adenosine Triphosphate, Ergothioneine, Saccharide Isomerate, Hydrolyzed Wheat Protein/PVP Crosspolymer, VP/Dimethylaminoethylmethacrylate Copolymer, Phospholipids, Tocopheryl Acetate, Retinyl Palmitate, Ascorbyl Palmitate, Asiaticoside, Asiatic Acid, Madecassic Acid, 1,2-Hexanediol.
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What makes iS Clinical Youth Serum different from other firming serums?
Most firming serums do one thing well, either offering an immediate tightening effect or working gradually through actives. iS Clinical Youth Serum does both. The protein and polymer blend creates a visible smoothing effect within minutes, while tripeptide-1 and the centella asiatica actives rebuild density and structure over weeks. The inclusion of Extremozymes, iS Clinical's proprietary DNA-repairing enzyme technology sourced from Pseudoalteromonas ferment extract, adds a layer of environmental protection and damage repair that very few firming serums offer.
Can I use iS Clinical Youth Serum with retinol?
Yes, iS Clinical Youth Serum pairs well with retinol and can complement your anti-aging routine effectively. Apply the serum first, let it absorb fully, and then follow with your retinol treatment. The antioxidant and peptide support in the serum helps condition the skin while retinol works on cell turnover and surface texture. Note that retinyl palmitate is present in the Youth Serum itself, so you are already getting a mild retinoid contribution from this formula.
Why does iS Clinical Youth Serum pill when I use too much?
The formula contains film-forming polymers that are responsible for the immediate firming and tightening effect. When you apply more than the recommended 1 to 2 drops, these ingredients do not have enough room to spread and absorb evenly, so they ball up on the skin's surface instead. Sticking to a small amount and pressing it in with flat palms rather than rubbing will give you the best results without pilling.
How quickly will I see results with iS Clinical Youth Serum?
The immediate smoothing and tightening effect is noticeable within minutes of application, driven by the hydrolyzed protein and polymer complex in the formula. For deeper improvements in fine lines, wrinkles, and overall skin firmness, expect to see progressive results over 4 to 8 weeks as tripeptide-1, the centella asiatica actives, and the Extremozyme technology work to rebuild structural integrity and reduce cumulative damage.
Can I wear iS Clinical Youth Serum under makeup?
Yes, the serum is designed to layer under moisturizer and makeup without interfering with application. Apply 1 to 2 drops, allow it to absorb fully, and then continue with the rest of your routine. Many users find the immediate smoothing effect actually creates a cleaner, more even base for makeup. Using only the recommended amount is key to avoiding any pilling under foundation or concealer.
What are Extremozymes in iS Clinical Youth Serum?
Extremozymes are iS Clinical's proprietary enzyme technology derived from Pseudoalteromonas ferment extract, a microorganism that thrives in extreme environmental conditions. In skincare, these enzymes provide advanced antioxidant defense and help repair skin at the cellular level by addressing damage caused by UV exposure and oxidative stress. They are one of the distinguishing features of iS Clinical's formulations and contribute to the serum's long-term skin-resilience benefits.
Should I use iS Clinical Youth Serum in the morning, evening, or both?
Twice daily use, morning and evening, is recommended for the best firming and anti-aging results. In the morning, the serum provides antioxidant support through tocopheryl acetate and ascorbyl palmitate and creates a smooth base before SPF and makeup. In the evening, it works alongside the skin's natural overnight repair process, allowing the peptides and centella asiatica actives to support collagen production and structural rebuilding while you sleep.
Why buy iS Clinical Youth Serum from Art of Skin Care?
Art of Skin Care is an authorized retailer of iS Clinical, so every product you receive is 100% authentic, sourced directly through official brand channels and never from third-party resellers. Our team is made up of licensed, acne-certified estheticians who hand-select the products we carry based on real skin science and professional results. We don't just sell skincare; we understand it. Not sure if iS Clinical Youth Serum is right for your skin? Get a free skincare consultation and one of our estheticians will personally guide you.
iS Clinical Youth Serum is a dual-action firming serum that delivers two things at once: an immediate tightening effect you can see within minutes and progressive, structural improvements that build over time. The lightweight formula absorbs quickly and is fragrance-free, making it a reliable daily treatment for anyone focused on firmness, fine lines, and long-term skin resilience.
Key Benefits
Instant tightening you can see right away Film-forming polymers and a blend of proteins, including hydrolyzed casein, hydrolyzed wheat protein, and hydrolyzed soy protein, create a visible smoothing effect on the skin's surface almost immediately after application.
Long-term firming through peptide support Tripeptide-1 (a copper tripeptide) and tripeptide-10 citrulline work progressively to improve skin density and minimize the depth of fine lines and expression wrinkles over time.
Structural support from centella asiatica actives Asiaticoside, asiatic acid, and madecassic acid, the active compounds derived from centella asiatica, support collagen synthesis and help reinforce the skin's underlying structure for a firmer, more resilient texture.
Environmental protection and DNA-level repair Pseudoalteromonas ferment extract, the source of iS Clinical's Extremozymes, provides advanced antioxidant defense and helps repair visible damage from UV exposure and oxidative stress, offering a level of protection that most firming serums do not include.
Antioxidant reinforcement with tocopheryl acetate and ascorbyl palmitate Tocopheryl acetate (a stable form of vitamin E) and ascorbyl palmitate (a lipid-soluble vitamin C derivative) work together to neutralize free radicals and support a more even, protected complexion over consistent use.
This serum is well-suited for anyone dealing with visible loss of firmness, fine lines, or skin laxity, particularly in areas like the jaw, neck, and chest that tend to show early signs of sagging. If your skin has started to look less lifted or defined than it once did, the combination of immediate smoothing and long-term peptide support in this formula addresses both what you see today and what builds over time.
It also works well as a preventive step for those who are just beginning to notice the first signs of aging and want to get ahead of density loss before it becomes more pronounced. The formula is lightweight and absorbs easily, making it a comfortable fit for normal, combination, and oily skin types. Drier skin types can use it, though they may want to follow with a richer moisturizer to seal in the treatment.
For the most noticeable firming results, press the serum into skin using flat palms rather than fingertips. This technique distributes the product evenly without disrupting the film-forming polymers that create the tightening effect, and it reduces the chance of pilling when you layer products on top.
Prepare: Apply to clean, dry skin after cleansing and toning.
Apply: Dispense 1 to 2 drops into your palm and press gently onto the face, neck, and chest.
Technique: Use only the recommended amount. The film-forming ingredients that create the firming effect will pill on the skin's surface if too much product is applied. Allow the serum to absorb completely before layering with moisturizer or other treatments.
Frequency: Use morning and evening. Follow with SPF in the morning.
- Extremozymes: Proprietary combination of extremophilic enzymes clinically proven to protect and repair DNA in the skin.
- Retinyl Palmitate: Stable form of vitamin A that offers antioxidant protection and counteracts the appearance of dry, flaky skin.
- Copper Tripeptide-1: Contains three amino acids (glycine, histidine, and lysine) combined with the mineral copper. Supports healing and regeneration, boosts collagen synthesis, and delivers beneficial epigenetic messages to cells.
- Vitamin E (Tocopherol): Soothes, brightens, and helps reverse and protect against environmental damage.
- Vitamin C (Ascorbyl Palmitate): Stabilized oil-soluble form of vitamin C, more easily absorbed into the skin, with antioxidant benefits and unique hydrating properties.
- Centella Asiatica Extract: Helps to strengthen and repair the skin's moisture barrier with potent anti-inflammatory benefits and antioxidant protection.
Water/Aqua/Eau, PVP, Caffeine, Glycerin, Disodium EDTA, Hydroxyethylcellulose, Ceratonia Siliqua (Locust Bean) Gum, Hydrolyzed Casein, Pseudoalteromonas Ferment Extract, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein, Tripeptide-10 Citrulline, Tripeptide-1, Lecithin, Butylene Glycol, Xanthan Gum, Carbomer, Triethanolamine, Caprylyl Glycol, Phenoxyethanol, Ahnfeltia Concinna Extract, Beta Vulgaris (Beet) Root Extract [Extrait de racine de betterave], Haberlea Rhodopensis Leaf Extract, Yeast Extract/Faex/Extrait de levure, Acetyl Tyrosine, Proline, Hydrolyzed Vegetable Protein, Adenosine Triphosphate, Ergothioneine, Saccharide Isomerate, Hydrolyzed Wheat Protein/PVP Crosspolymer, VP/Dimethylaminoethylmethacrylate Copolymer, Phospholipids, Tocopheryl Acetate, Retinyl Palmitate, Ascorbyl Palmitate, Asiaticoside, Asiatic Acid, Madecassic Acid, 1,2-Hexanediol.
What makes iS Clinical Youth Serum different from other firming serums?
Most firming serums do one thing well, either offering an immediate tightening effect or working gradually through actives. iS Clinical Youth Serum does both. The protein and polymer blend creates a visible smoothing effect within minutes, while tripeptide-1 and the centella asiatica actives rebuild density and structure over weeks. The inclusion of Extremozymes, iS Clinical's proprietary DNA-repairing enzyme technology sourced from Pseudoalteromonas ferment extract, adds a layer of environmental protection and damage repair that very few firming serums offer.
Can I use iS Clinical Youth Serum with retinol?
Yes, iS Clinical Youth Serum pairs well with retinol and can complement your anti-aging routine effectively. Apply the serum first, let it absorb fully, and then follow with your retinol treatment. The antioxidant and peptide support in the serum helps condition the skin while retinol works on cell turnover and surface texture. Note that retinyl palmitate is present in the Youth Serum itself, so you are already getting a mild retinoid contribution from this formula.
Why does iS Clinical Youth Serum pill when I use too much?
The formula contains film-forming polymers that are responsible for the immediate firming and tightening effect. When you apply more than the recommended 1 to 2 drops, these ingredients do not have enough room to spread and absorb evenly, so they ball up on the skin's surface instead. Sticking to a small amount and pressing it in with flat palms rather than rubbing will give you the best results without pilling.
How quickly will I see results with iS Clinical Youth Serum?
The immediate smoothing and tightening effect is noticeable within minutes of application, driven by the hydrolyzed protein and polymer complex in the formula. For deeper improvements in fine lines, wrinkles, and overall skin firmness, expect to see progressive results over 4 to 8 weeks as tripeptide-1, the centella asiatica actives, and the Extremozyme technology work to rebuild structural integrity and reduce cumulative damage.
Can I wear iS Clinical Youth Serum under makeup?
Yes, the serum is designed to layer under moisturizer and makeup without interfering with application. Apply 1 to 2 drops, allow it to absorb fully, and then continue with the rest of your routine. Many users find the immediate smoothing effect actually creates a cleaner, more even base for makeup. Using only the recommended amount is key to avoiding any pilling under foundation or concealer.
What are Extremozymes in iS Clinical Youth Serum?
Extremozymes are iS Clinical's proprietary enzyme technology derived from Pseudoalteromonas ferment extract, a microorganism that thrives in extreme environmental conditions. In skincare, these enzymes provide advanced antioxidant defense and help repair skin at the cellular level by addressing damage caused by UV exposure and oxidative stress. They are one of the distinguishing features of iS Clinical's formulations and contribute to the serum's long-term skin-resilience benefits.
Should I use iS Clinical Youth Serum in the morning, evening, or both?
Twice daily use, morning and evening, is recommended for the best firming and anti-aging results. In the morning, the serum provides antioxidant support through tocopheryl acetate and ascorbyl palmitate and creates a smooth base before SPF and makeup. In the evening, it works alongside the skin's natural overnight repair process, allowing the peptides and centella asiatica actives to support collagen production and structural rebuilding while you sleep.
Why buy iS Clinical Youth Serum from Art of Skin Care?
Art of Skin Care is an authorized retailer of iS Clinical, so every product you receive is 100% authentic, sourced directly through official brand channels and never from third-party resellers. Our team is made up of licensed, acne-certified estheticians who hand-select the products we carry based on real skin science and professional results. We don't just sell skincare; we understand it. Not sure if iS Clinical Youth Serum is right for your skin? Get a free skincare consultation and one of our estheticians will personally guide you.
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iS Clinical Youth Serum
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- Effectiveness
- Texture
- Application
- Compatibility
- HCHeather C.Verified BuyerReviewingiS Clinical Youth SerumI recommend this productHow old are you? 40-49What is your skin type? CombinationWhat is your skin tone? FairWhat are your skin concerns? Ageing, Blemish-prone, DrynessRated 4 out of 5 stars9 months agoVery nice
This is a really nice serum but I do have trouble getting enough product into the syringe
Was this helpful? - JMJean M. D.Verified BuyerReviewingiS Clinical Youth SerumI recommend this productHow old are you? 50-65What is your skin type? CombinationWhat is your skin tone? MediumWhat are your skin concerns? Ageing, Blemish-prone, Sensitivity, WrinklesRated 5 out of 5 stars10 months agoSuperb
I swallowed the blue pill and purchased. I’m hooked. You can tell when a product worked when it soaks versus sits on the skin. My skin drinks this up. I will never go back to a “lesser” serum.
Was this helpful? - MVMelissa V.Verified BuyerReviewingiS Clinical Youth SerumI recommend this productHow old are you? 50-65What is your skin type? NormalWhat is your skin tone? MediumWhat are your skin concerns? AgeingRated 5 out of 5 stars12 months agoInstant gratification
After finishing my last bottle of iS Clinical Youth Serum I took a little break to experiment with other serums just for fun. I am so very happy to be reunited with this serum and its immediate results. I forgot just how much I love the results from this serum. Firming, smoothing, reparative, this serum does it all! Happy to have it back in my daily routine.
Was this helpful? - EAErin A.Verified BuyerReviewingiS Clinical Youth SerumI recommend this productHow old are you? 40-49What is your skin type? NormalWhat is your skin tone? MediumWhat are your skin concerns? Ageing, Wrinkles, Sun DamageRated 5 out of 5 stars1 year agoWonderful
I ordered this to use along with the iS retinol. So far I have experienced no dry flakiness or irritation at all, just smooth, soft, glowy skin.
Was this helpful? - CRCheryl R.Verified BuyerReviewingiS Clinical Youth SerumI recommend this productHow old are you? 50-65What is your skin type? CombinationWhat is your skin tone? MediumWhat are your skin concerns? Sun Damage, Ageing, PigmentationRated 5 out of 5 stars1 year agoAbsolutely love this serum
I absolutely love this serum! It has a nice consistency. It feels good on my skin and doesn’t leave my skin tacky.
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