Based on its formula, is this product safe for sensitive, acne‑prone, or dry skin?

The serum’s hydrating glycerin and hyaluronic‑acid base is generally well‑tolerated on dry skin, but the copper‑peptide complexes and preservatives such as phenoxyethanol can provoke irritation on very sensitive or acne‑prone skin, so a patch test is advised before full use.

What is the specific role and benefit of copper peptide (Tripeptide‑1 Copper Acetate) in this serum?

Copper peptide (Tripeptide‑1 Copper Acetate) acts as a signaling molecule that stimulates collagen and elastin production, supports wound‑healing processes, and provides antioxidant protection, thereby helping to improve skin firmness and reduce the appearance of fine lines.

What is the recommended application frequency for this serum, and does it contain any potentially irritating preservatives?

Apply the serum once or twice daily after cleansing and before moisturiser; it contains phenoxyethanol, chlorphenesin, and caprylyl glycol as preservatives, which are generally considered safe in cosmetics but may cause irritation for very sensitive individuals.

NIOD • 15 ml

Copper Amino Isolate Serum 3 1:1 (CAIS3)

Cruelty Free

Product Insights

Copper Amino Isolate Serum 3 1:1 (CAIS3) is a 15 ml vegan, cruelty‑free serum from NIOD that combines copper‑linked peptides, glycerin, and a sodium hyaluronate cross‑polymer to target skin firmness and elasticity. Its blend of Tripeptide‑29, Tripeptide‑1 Copper Acetate, and other peptide complexes is designed to boost collagen synthesis while the humectants provide lasting moisture. Potential drawbacks include the presence of synthetic preservatives such as phenoxyethanol and chlorphenesin, which may irritate extremely sensitive skin, and the peptide‑rich texture can feel slightly tacky for some users.

Comparative Analysis

Positioned as a high‑tech, vegan, cruelty‑free anti‑age serum, it stands out in the market by delivering a 1:1 copper‑amino isolate complex with multiple tri‑peptides for enhanced skin‑firming performance.

Ingredients

AQUA (WATER), GLYCERIN, TRIPEPTIDE-29, TRIPEPTIDE-1 COPPER ACETATE, TRIPEPTIDE-1 ACETATE, MYRISTOYL NONAPEPTIDE-3, TRIFLUOROACETYL TRIPEPTIDE-2, ACETYL TETRAPEPTIDE-2, SODIUM HYALURONATE CROSSPOLYMER, GLYCOGEN, PROPANEDIOL, PENTYLENE GLYCOL, DEXTRAN, DIMETHYL ISOSORBIDE, ETHOXYDIGLYCOL, ISOCETETH-20, LEUCONOSTOC/RADISH ROOT FERMENT FILTRATE, CAPRYLYL GLYCOL, ETHYLHEXYLGLYCERIN, PHENOXYETHANOL, CHLORPHENESIN.

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