Hexapeptide-2 Ascorbyl Phosphate: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 27, 2025
Share:
Inside this article:

We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Hexapeptide-2 Ascorbyl Phosphate?

Hexapeptide-2 Ascorbyl Phosphate is a lab crafted molecule that fuses a six–amino-acid peptide with a stabilized form of vitamin C known as ascorbyl phosphate. The peptide portion is designed to signal skin cells while the vitamin C fragment offers antioxidant potential and boosts overall stability. Developers began experimenting with peptide–vitamin C hybrids in the late 2000s when formulators sought ways to pair collagen supporting peptides with complexion brightening vitamin C without the usual oxidation issues. Production starts with synthesizing the hexapeptide through solid-phase peptide synthesis, followed by carefully bonding it to ascorbyl phosphate under controlled pH and temperature to maintain both segments’ activity. The finished ingredient is water-soluble and integrates smoothly into serums, spot treatments, lightweight lotions, sheet masks and targeted anti-aging or tone-correcting formulas.

Hexapeptide-2 Ascorbyl Phosphate’s Cosmetic Benefits/Uses

In skin care, Hexapeptide-2 Ascorbyl Phosphate is valued for its single core role as a skin-conditioning agent. By combining peptide signaling with a stable vitamin C derivative, it supports a smoother, more even looking complexion, helps maintain skin firmness and supplies antioxidant care that can soften the appearance of dullness from daily stress.

Who Can Use Hexapeptide-2 Ascorbyl Phosphate

This ingredient is generally well tolerated by most skin types. Its water based form absorbs quickly without leaving an oily film so dry, normal and oily complexions can all benefit. The gentle nature of the peptide and the stable vitamin C make it a friendly option for sensitive skin though anyone with a history of reactivity to vitamin C derivatives should proceed with added caution. Extremely compromised or broken skin may feel a slight sting on application, which is why those dealing with active eczema or open wounds might want to wait until the skin barrier has recovered.

Hexapeptide-2 Ascorbyl Phosphate is produced through synthetic methods that do not rely on animal derived materials, which means it is suitable for both vegans and vegetarians. As always, finished products should be verified cruelty free if that is an important personal choice.

No specific warnings exist for use during pregnancy or while breastfeeding. The molecule sits in the upper layers of the skin and has no known systemic effects. That said this information is not medical advice and anyone pregnant or nursing should run new skincare items past a healthcare professional to be safe.

The ingredient does not cause photosensitivity. In fact the vitamin C portion can help neutralize free radicals created by sunlight. Daily sunscreen is still essential for overall skin protection.

Potential Side Effects/Adverse Reactions

  • Mild tingling or warmth right after application
  • Temporary redness on very sensitive skin
  • Dry patches if layered with multiple exfoliating acids
  • Allergic contact dermatitis in individuals allergic to peptides or vitamin C derivatives
  • Eye irritation if the product accidentally gets into the eyes

If any of these reactions occur stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0/5. Hexapeptide-2 Ascorbyl Phosphate is water soluble, lightweight and free of oily carriers that might clog pores. Its molecule is designed to sit in skin’s upper layers without leaving a residue that could trap oil or debris. This makes it suitable for people who are prone to acne or breakouts. Because it relies on a peptide and a stabilized vitamin C salt, it behaves more like a hydrating serum ingredient than a heavy emollient, which keeps the pore-clogging potential extremely low.

No data suggest it interferes with common acne treatments like benzoyl peroxide or salicylic acid, so it can generally be paired with them without raising comedogenic concerns.

Summary

Hexapeptide-2 Ascorbyl Phosphate works as a skin-conditioning agent that teams peptide signaling with antioxidant vitamin C activity. By helping support collagen, providing free-radical defense and encouraging a more even tone, it leaves skin looking smoother, firmer and brighter.

You will mostly find it in newer targeted serums, masks and spot correctors rather than in mainstream moisturizers, so its popularity is growing but it is still considered a niche add-on ingredient.

Current research and consumer use show it to be very safe with low irritation risk, yet it is always wise to patch test any new product to check your individual tolerance before full-face use.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search