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One Thing Peptide Retinal Serum 50ml bottle front view
One Thing Peptide Retinal Serum 50ml packaging box
One Thing Peptide Retinal Serum texture close-up
One Thing Peptide Retinal Serum two bottles on purple gradient background
One Thing Peptide Retinal Serum bottle on purple background
One Thing Peptide Retinal Serum 50ml bottle front view
One Thing Peptide Retinal Serum 50ml packaging box
One Thing Peptide Retinal Serum texture close-up
One Thing Peptide Retinal Serum two bottles on purple gradient background
One Thing Peptide Retinal Serum bottle on purple background
One Thing Peptide Retinal Serum 50ml bottle front view
One Thing Peptide Retinal Serum 50ml packaging box
One Thing Peptide Retinal Serum texture close-up
One Thing Peptide Retinal Serum two bottles on purple gradient background
One Thing Peptide Retinal Serum bottle on purple background
One Thing Peptide Retinal Serum 50ml bottle front view
One Thing Peptide Retinal Serum 50ml packaging box
One Thing Peptide Retinal Serum texture close-up
One Thing Peptide Retinal Serum two bottles on purple gradient background
One Thing Peptide Retinal Serum bottle on purple background
ONE THING

Peptide Retinal Serum

$ 34.00
Spring Sale — 30% Off Use code SPRING30 at checkout · Valid through March 22, 2026
Size: 1.69oz / 50ml
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About the Product

This anti-aging serum combines a 5 Peptide Complex with Retinal (retinaldehyde) to target multiple signs of aging at once. Retinal is a potent form of vitamin A that converts directly to retinoic acid in the skin—it's stronger than retinol but typically gentler than prescription retinoids. The nourishing, cream-like texture absorbs quickly when patted in, fitting seamlessly between your toner and moisturizer.

Who is This For?

Anyone looking to address fine lines, firmness, enlarged pores, or uneven skin tone will appreciate this multi-tasking formula. It's especially helpful for those noticing early signs of aging or wanting to maintain skin density, but works well for anyone ready to add a retinal product to their routine.

Key Benefits

  • Delivers six types of peptides to support firmness and elasticity
  • Contains retinaldehyde to promote cell turnover and target wrinkles
  • Addresses multiple concerns in one step: pores, elasticity, wrinkles, tone, and density
  • Includes a stable vitamin C derivative for additional brightening support

Key Ingredients

  • Retinal (Retinaldehyde) — A direct precursor to retinoic acid that promotes cell turnover and helps smooth fine lines
  • Palmitoyl Tripeptide-5 — A signal peptide that supports collagen production for firmer-looking skin
  • Copper Tripeptide-1 — Helps improve skin elasticity and overall texture
  • Sodium Ascorbyl Phosphate — A stable vitamin C derivative that contributes to a more even skin tone
FAQs

Q: Can I use ONE THING Peptide Retinal Serum with other retinol products?
A: No, avoid combining this serum with other retinoids to prevent over-exfoliation and irritation, as it already contains retinal.

Q: Is this serum suitable for sensitive skin?
A: Retinal is an active ingredient that may cause sensitivity; those with reactive skin should patch test first and introduce the product gradually, starting with every other night.

Q: Do I need to wear sunscreen when using this product?
A: Yes, retinal increases photosensitivity, so daily sunscreen application is necessary, especially when using this serum in the morning.

Q: When should I apply this serum in my routine?
A: Apply between your toner and moisturizer—the cream-like texture absorbs quickly when patted into skin.

Q: How long until I see results?
A: Most users notice improvements in skin texture and tone within 4-8 weeks of consistent use, though individual results vary depending on skin concerns and frequency of application.

Q: Can I use this serum with vitamin C or niacinamide?
A: This serum already contains a stable vitamin C derivative (sodium ascorbyl phosphate), so additional vitamin C isn't necessary; it pairs well with niacinamide and hydrating ingredients.

Q: Who should avoid using this serum?
A: Pregnant or breastfeeding individuals should avoid retinal products; those currently using prescription retinoids or undergoing treatments like chemical peels should consult their dermatologist first.

How to Use

Apply toner to cleansed skin and allow it to absorb. Dispense an appropriate amount of serum onto fingertips. Gently spread the serum across the entire face. Pat the product into the skin to enhance absorption. For targeted treatment, apply an additional 1–2 drops directly onto areas of concern and pat gently. Follow with moisturizer if desired. When using during daytime, apply sunscreen as the final step.

Ingredients

Water, butylene glycol, niacinamide, caprylic/capric triglyceride, dipropylene glycol, cetyl ethylhexanoate, propanediol, vinyl dimethicone, glycerin(cosmetic use only), glyceryl polymethacrylate, 1,2-hexanediol, betaine, c14-22 alcohols, cetearyl olivate, glyceryl stearate, hydroxyacetophenone, propylene glycol, sorbitan olivate, acrylates/c10-30 alkyl acrylate crosspolymer, tromethamine, c12-20 alkyl glucoside, ethylhexylglycerin, polyacrylate crosspolymer-6, adenosine, hydrolyzed gardenia florida extract, hydrolyzed malt extract, hydrolyzed viola tricolor extract, sodium polyacrylate, dextrin, disodium edta, sodium polyacryloyldimethyl taurate, gardenia florida fruit extract, hyaluronic acid, hydrolyzed hyaluronic acid, sodium hyaluronate, hydrogenated polydecene, carbomer, hydrogenated lecithin, polyglyceryl-10 oleate, sodium lactate, trideceth -10, palmitoyl tripeptide-5, polysorbate 20, sodium ascorbyl phosphate, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, copper tripeptide-1, palmitoyl pentapeptide-4, acetyl hexapeptide-8, macadamia ternifolia seed oil, phosphatidylcholine, cholesterol, phytosteryl/behenyl/octyldodecyl lauroyl glutamate, aluminum/magnesium hydroxide stearate, brassica campestris (rapeseed) sterols, retinal, potassium cetyl phosphate, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate.

Standard delivery within 2–5 business days

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