Sh-Heptapeptide-6 Sp: 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 30, 2025
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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 Sh-Heptapeptide-6 Sp?

Sh-Heptapeptide-6 Sp is a lab made chain of seven amino acids that exactly matches a small part of collagen alpha-1 (XVI), one of the structural proteins that help keep skin firm. The peptide is built from arginine, aspartic acid, glutamine, glycine and valine, arranged in the same order found in human collagen. Because scientists know the exact sequence, they can recreate it through solid phase peptide synthesis, a step by step process that joins protected amino acids on a resin until the finished chain is released and purified.

Short collagen fragments first caught the beauty industry’s attention in the early 2000s when research showed they could signal skin cells to produce fresh structural proteins. Sh-Heptapeptide-6 Sp entered cosmetic labs soon after as brands searched for stable bioidentical peptides that fit well into water based formulas. Today manufacturers blend it into serums, lightweight lotions, sheet masks, eye creams and targeted anti-aging concentrates that promise smoother looking skin.

Sh-Heptapeptide-6 Sp’s Cosmetic Benefits/Uses

This peptide brings two main perks to a skincare formula

  • Antioxidant: Helps neutralize free radicals produced by UV light and pollution so it supports healthier looking skin and may slow the appearance of premature aging
  • Skin protecting: Forms a cushion of moisture binding amino acids on the surface that reinforces the skin barrier, reduces transepidermal water loss and leaves the complexion feeling soft and supple

Who Can Use Sh-Heptapeptide-6 Sp

Because it is a lightweight water soluble peptide, Sh-Heptapeptide-6 Sp fits well into routines for dry, normal, combination, oily and even sensitive skin. It does not contain oils or heavy silicones, so it is unlikely to clog pores or aggravate acne. There are no known reasons for people with rosacea or eczema to avoid it, though they should introduce any new product slowly in case other formula ingredients trigger irritation.

The peptide is made entirely through laboratory synthesis using plant derived or petrochemical amino acid building blocks, not from animal tissue, which means products featuring Sh-Heptapeptide-6 Sp are suitable for vegans and vegetarians as long as the overall formula and manufacturing process follow the same standard.

No studies have shown that topical use of this peptide poses a risk during pregnancy or while breastfeeding. That said this is not medical advice and anyone who is pregnant or nursing should show their doctor any skincare product they plan to use just to stay on the safe side.

Sh-Heptapeptide-6 Sp does not make skin more sensitive to sunlight, so it can be used morning and night. A daily broad-spectrum sunscreen is still essential for overall skin health.

Potential Side Effects/Adverse Reactions

Side effects and reactions to the topical application of Sh-Heptapeptide-6 Sp can vary from person to person. The points below outline potential issues, but they are uncommon when the ingredient is formulated and used correctly.

  • Mild redness or warmth
  • Transient stinging or tingling, especially on very compromised skin
  • Itchiness or dryness if the formula lacks adequate moisturizers
  • Allergic contact dermatitis presenting as rash or hives
  • Swelling around the eyes when an eye cream is overapplied

If any negative reaction occurs stop using the product immediately and seek advice from a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 0/5

Sh-Heptapeptide-6 Sp is a small, water soluble peptide with no oils, waxes or heavy emollients that could block pores. Its molecular size is large enough to stay on the surface yet small enough to rinse away easily, so it does not accumulate inside follicles. For these reasons formulators consider it non-comedogenic.

Suitable for acne-prone or breakout-prone skin.

Keep in mind that the overall formula matters; rich creams or added comedogenic ingredients can still cause congestion even if the peptide itself does not.

Summary

Sh-Heptapeptide-6 Sp delivers antioxidant protection and skin-protecting moisture support by mimicking a snippet of human collagen. On skin it helps neutralize free radicals then creates a light amino acid cushion that limits water loss and keeps the barrier feeling resilient.

While not yet a household name like retinol or vitamin C, the peptide is gaining traction in targeted serums and eye creams thanks to its gentle profile and vegan origin.

Overall safety is high with low irritation and no photo-sensitivity reported, but as with any new skincare ingredient it is smart to patch test first to confirm personal tolerance.

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