The Three Peptides in La Colibri Platinum Peptide Serum

No tricks. All treat. Treat yourself to a little extra care this fall.

A favorite sweater, warm light, and a few unhurried minutes at the vanity can turn an ordinary skincare step into a small daily pleasure. This season, our spotlight is on La Colibri’s Platinum Peptide Serum: a three-peptide formula that brings peptide care together with hydration and skin-softening ingredients.

The appeal is easy to understand: smoother, firmer-looking skin, a hydrated feel, and a routine that stays straightforward. The ingredient story is worth getting to know, too. Each of the three peptides has its own identity, while the moisturizing ingredients give softness and hydration an equally important place in the formula.

What peptides bring to skincare

Peptides are short chains of amino acids, the building blocks of proteins. In skincare, selected peptides are used in formulas designed to support smoother-looking texture, a firmer appearance, and softer-looking fine lines.

The names offer a useful clue. A tripeptide contains three amino acids, a tetrapeptide contains four, and a hexapeptide contains six. Those numbers describe the chain’s length, not a strength ranking. What matters is the particular peptide and how it fits into the formula.

Palmitoyl Tripeptide 1 and smoother looking skin

Palmitoyl Tripeptide-1 is a three-amino-acid, collagen-inspired peptide. It is used in cosmetic blends focused on smoother-looking skin and the appearance of fine lines.

Think of this as the texture-focused part of the peptide conversation: a complexion that looks more refined, with fine lines appearing softer. In Platinum Peptide Serum, this ingredient sits alongside two other peptides and a supporting cast of moisturizing and conditioning ingredients.

Palmitoyl Tetrapeptide 7 and the power of a pairing

Palmitoyl Tetrapeptide-7 is a four-amino-acid peptide often paired with Palmitoyl Tripeptide-1. Together, the two are used in cosmetic blends focused on smoother texture and firmer-looking skin.

This is why peptide skincare is often about a blend rather than one headline ingredient. Here, the pairing brings together two established ingredients used in smoothing, appearance-focused cosmetic formulas.

Palmitoyl Hexapeptide 12 and elastin inspired care

Palmitoyl Hexapeptide-12 is a six-amino-acid peptide inspired by elastin, the protein associated with skin’s springy, resilient feel. It brings an elasticity-focused ingredient to the blend.

With one collagen-inspired peptide, its commonly paired tetrapeptide partner, and an elastin-inspired hexapeptide, the blend brings three distinct ingredient identities into one serum.

Hydration and softness deserve equal attention

Peptides are the headline, but moisture makes a meaningful difference to how skin looks and feels. Platinum Peptide Serum also includes glycerin and sodium hyaluronate, humectants that help attract and hold moisture. That hydration supports a plumper-looking complexion and a smoother feel.

Shea butter and coconut oil provide emollient care, helping soften and condition skin for a supple feel. Green tea extract, known for its antioxidant properties, adds another ingredient of interest. These different roles are why looking at the formula as a whole is more useful than focusing on a single name.

The formula is vegan, cruelty-free, paraben-free, and dye-free. It comes in a 1 fl oz / 30 mL pump bottle.

Make it a simple skincare moment

Start with clean facial skin. Dispense one pump onto your fingertips, then smooth it over your face, focusing on wrinkle-prone areas. Follow the product directions and avoid contact with the eyes and mouth. For external use only; discontinue use if irritation occurs and keep out of reach of children.

Make room for peptide care, hydration, and softness in your routine. Shop Platinum Peptide Serum at La Colibri Skincare.

1. Li and colleagues 2023 study of a multi peptide eye serum
2. Yang and colleagues 2024 study of a mixed active eye cream
3. Kruger and colleagues 2025 study of a multi active skincare formulation
4. Ligorio and colleagues 2025 hexapeptide research in human skin tissue
5. Topical hyaluronic acid formulation study
6. Topical glycerin skin barrier study
7. Coconut oil and mineral oil trial in dry skin
8. Green tea extract skincare study