
SKU: T60055
IO Sensitive Skin Peptide Liquid
For cosmetic formulation use only.
Not intended for ingestion or dietary supplementation.
INCI: See CoA for full INCI
Usage Rate: Typical: use the supplied peptide solution concentrate at supplier-recommended levels in leave-on serums and emulsions, delivering approximately 0.1–0.5% pure peptide in the finished formula (1000–5000 ppm).
Packaging
Liquid sizes — 10 mL sample through bulk (US · metric)
Description
About this ingredient
IO Sensitive Skin Peptide Liquid is a peptide solution concentrate chosen for comfort care. Brands use it in products for skin that feels sensitive, tight, warm or easily bothered by wind, cold, shaving or fragrance. It is sold by the milliliter and our product record confirms that it is water-soluble and added at cool-down. Full INCI and active content are listed on the CoA for each lot.
Understanding the sensitive-skin buyer
A large share of adults describe their skin as sensitive. These customers read labels carefully, avoid long lists of botanicals and reward brands that keep things simple. For them a single, well-explained peptide in a short ingredient list is more convincing than a dozen extracts. This ingredient fits this minimalist approach.
Typical uses
Calming face serums, comfort day creams, post-shave balms for men, after-sun gels and soothing masks are the main formats. This ingredient works well next to IO Soothing Plant Active Liquid and Ectoin in a comfort-focused system, and next to barrier lipids when the skin also feels dry. Explore similar actives in our peptides catalog.
Adding it to a batch
Finish the base, cool it below 40 °C and stir in this ingredient gently. Avoid reheating. Keep the pH mild and choose a preservative system with a good tolerance record. Follow the CoA for the use level.
Designing a minimal base
For a sensitive-skin line, limit the base to a mild emulsifier, a simple emollient, glycerin and a gentle thickener. Leave out fragrance and essential oils, keep colorants out of the product and choose an airless pack so the preservative can work at a modest level. These choices matter as much as the active itself.
Men's shaving care
Razor discomfort is a strong reason to buy a post-shave balm. A light, non-sticky gel with this ingredient, panthenol and a little glycerin absorbs quickly and suits a morning routine. Clear wording such as for skin that feels irritated after shaving keeps the claim cosmetic.
Testing and claims
Comfort claims are supported by consumer panels with self-assessed sensitive skin and by tolerance testing of the finished product under dermatological control. Use wording like soothes the feeling of discomfort or for reactive-feeling skin, and keep away from any reference to skin conditions.
Seasonal comfort care
Cold wind, indoor heating and low humidity make many people feel that their skin is more reactive in winter, while sun and heat create a different kind of discomfort in summer. A brand can build two seasonal variants around this ingredient: a richer winter cream with more butter and squalane, and a light summer gel that cools on contact. The active stays the same, so the message remains consistent.
Packaging for reactive skin
Airless pumps and tubes limit contact with fingers and air, which helps keep the product clean and allows gentler preservation. Clear labeling that lists every ingredient in plain words builds trust with customers who have had bad experiences in the past.
Retail and sampling
Sensitive-skin buyers like to test before committing. Small sachets or a deluxe sample in each order help them try the texture on a small area first, and patch-test instructions on the leaflet show that the brand takes their concerns seriously.
Characteristics
Form: peptide solution concentrate. Solubility: water. Addition: water phase at cool-down. Focus: comfort care for sensitive-feeling skin. INCI and active content: on the CoA. Supply: milliliter packs.
Original recipe: fragrance-free comfort balm, 100 g
Phase A: distilled water 71.30 g, glycerin 5.00 g, panthenol 1.50 g, allantoin 0.20 g. Phase B: glyceryl stearate and PEG-100 stearate 4.00 g, cetearyl alcohol 2.00 g, squalane 6.00 g, shea butter 3.00 g. Heat An and B to 75 °C, emulsify and cool. Phase C below 40 °C: IO Sensitive Skin Peptide Liquid at the level on the CoA, here 3.00 g; ectoin 1.00 g; centella extract 2.00 g; preservative 1.00 g; sodium hydroxide solution to pH about 5.5. Mix gently.
Storage
Keep the bottle tightly closed in a cool, dark place and reseal promptly. Ships from Florida in milliliter packs.
Product Specifications
TDS / CoA available on request. Contact us
Frequently Asked Questions
What is IO Sensitive Skin Peptide Liquid used for?
Calming serums, comfort creams, post-shave balms and after-sun care for sensitive-feeling skin.
How do I add it?
Directly into the water phase during cool-down, below 40 °C.
Is it suitable for fragrance-free products?
Yes, it works well in minimal, fragrance-free bases, which suit sensitive-skin ranges.
Where is the INCI?
On the CoA for each lot.



