The Ordinary Multi-Peptide + HA Serum, also known as "Buffet," is a universal formula that combines a comprehensive array of technologies to improve skin smoothness and target multiple signs of aging at once. The serum contains a variety of ingredients, including:

Key Ingredients:

• Acetyl Hexapeptide-8: A famous peptide that is part of Matrixyl 3000, the most sold peptide complex in the world. It helps to reduce the appearance of fine lines and wrinkles.

• Palmitoyl Tripeptide-1: A small three amino acid peptide that helps to stimulate collagen production and improve skin elasticity.

• Palmitoyl Tetrapeptide-7: A four amino acid peptide that helps to reduce inflammation in the skin and slow the degradation of collagen.

• Hyaluronic Acid: A moisturizing ingredient that helps to hydrate the skin and improve its texture.

Other Ingredients:

• Glycerin: A humectant that helps to draw moisture into the skin.

• Lactococcus Ferment Lysate: A probiotic ingredient that helps to improve the skins barrier function.

• Butylene Glycol: A humectant that helps to hydrate the skin.

• Caffeine: An ingredient that helps to improve blood flow and reduce inflammation in the skin.

• Propanediol: A humectant that helps to hydrate the skin.

The Ordinary Multi-Peptide Serum for Hair Density contains a different set of ingredients, including REDENSYL™, Procapil™, CAPIXYL™, BAICAPIL™, AnaGain™, and High-Solubility Caffeine. These ingredients are designed to support the scalp and give you thicker, denser, fuller-looking hair.

Overall, The Ordinary Multi-Peptide + HA Serum contains a variety of ingredients that can help to improve the appearance of fine lines and wrinkles, stimulate collagen production, and hydrate the skin. The serum is generally well-tolerated, but as with any skincare product, its important to patch test before use to ensure that you dont have an adverse reaction.