Sorrel & Co
Eye Cream with Acetyl Tetrapeptide-5
Eye Cream with Acetyl Tetrapeptide-5
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Use for visibly reduced puffiness and a more rested periorbital appearance. Delivers a signal peptide studied specifically for under-eye oedema -not generic eye cream claims. Works on all three contributing factors: vascular, lymphatic, and pigmentation. Targets a real skincare gap -puffiness is physiological, not just cosmetic. This formula addresses the mechanism.
The Ingredients: Purified Water, Glycerin, Caprylic/Capric Triglyceride, Caffeine, Acetyl Tetrapeptide-5, Phytonadione (Vitamin K), Sodium Hyaluronate, Allantoin, Panthenol, Cetearyl Alcohol, Cetearyl Glucoside, Carbomer, Sodium Hydroxide, 1,2-Hexanediol, Ethylhexylglycerin.
Compare to: Kiehl's Creamy Eye Treatment with Avocado - $52
Estée Lauder Advanced Night Repair Eye Concentrate - $63
The Science Details:
- Periorbital oedema reduction - Acetyl Tetrapeptide-5 reduces glycation-related vascular permeability; clinical data shows measurable puffiness reduction at 4 weeks (Lintner 2002).
- Vasoconstriction and lymphatic support - Caffeine reduces capillary dilation and supports lymphatic drainage in the periorbital microcirculation.
- Dark circle support - Vitamin K addresses haemosiderin deposits from vascular leakage under thin periorbital skin.
- Hydration at the thinnest skin - Sodium hyaluronate and caprylic/capric triglycerides maintain moisture in skin too thin for standard moisturizer occlusion.
- Targets a real skincare gap - most eye creams claim wrinkle reduction. This one targets puffiness, which has a different cause and a different solution.
Read the Research
- Lintner 2002, Journal of Cosmetic Dermatology -Oligopeptide for extracellular matrix production and periorbital improvement
- Herman & Herman 2013, Journal of Cosmetic Dermatology -Caffeine's mechanism of action in cosmetic use
- Ahmadraji & Shatalebi 2015, Advanced Biomedical Research -The efficacy of Vitamin K cream for dark circles
Why This Product Works
Under-eye puffiness has three contributing factors and most eye creams address none of them specifically. The first is vascular permeability: fluid leaks from capillaries into the periorbital tissue and accumulates overnight when lymphatic drainage slows in the horizontal position. The second is lymphatic sluggishness itself. The third, in people with dark circles that are vascular rather than pigmentary, is haemosiderin from red blood cell extravasation visible through thin skin.
Acetyl Tetrapeptide-5 is a signal peptide studied for its effect on glycation-related vascular permeability -specifically in the periorbital region. Glycation of capillary wall proteins increases their permeability; this peptide signals a reduction in that process. The Lintner 2002 study showed measurable reduction in under-eye bag volume with consistent application. The mechanism is physiologically specific to the problem rather than a generic anti-aging claim.
Caffeine complements this through vasoconstriction and lymphatic drainage support. Applied topically in the morning, it reduces capillary dilation and encourages the lymphatic movement that clears overnight fluid accumulation. Vitamin K addresses the haemosiderin component of dark circles -most relevant for the blue-purple discolouration that doesn't respond to brightening ingredients because it is vascular, not pigmentary.
A note on expectations: this eye cream addresses puffiness and vascular dark circles - not fine lines. If periorbital wrinkles are the primary concern, a formula containing retinol or peptides targeting matrix synthesis is a different product for a different problem. Know which problem you are treating before choosing any eye cream.
What's not in it: No synthetic fragrance, no essential oils, no retinol (too aggressive for thin periorbital skin in a leave-on cream).
Suggested use: Once or twice daily, apply a dime-sized amount to the under-eye area and along the orbital bone.
Warning: This product is for external use only and is not intended to be ingested. Avoid contact with eyes. In case of irritation, discontinue use. Keep out of reach of children. Store in a cool, dry place.
Manufacturer's country | Product amount: USA | 0.5 fl oz
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