The Ordinary Multi-Peptide Serum: Benefits, How to Use & Full Review

The skincare world has evolved far beyond just moisturizers and cleansers. Today, active ingredients like peptides are at the forefront of anti-aging innovation. Known for promoting collagen production and improving skin elasticity, peptides have earned their reputation as one of the most effective tools for smoother, firmer skin.

Among the most talked-about peptide serums is The Ordinary Multi-Peptide Serum (formerly known as “Buffet”). It has developed a cult following for its affordable price point, science-backed formulation, and noticeable results. In this in-depth review, we’ll explore the serum’s benefits, ingredients, how to use it, and whether it’s right for your routine.

What Is The Ordinary Multi-Peptide Serum?

The Ordinary Multi-Peptide Serum is a water-based anti-aging serum designed to target multiple signs of aging by combining several types of peptides, amino acids, and skin-friendly hydrators.

Formerly sold under the name “Buffet”, the updated version includes more potent peptide complexes and now goes by Multi-Peptide + HA Serum. As the name suggests, this product contains a blend of powerful peptides and hyaluronic acid (HA) to deliver hydration and visible skin improvements.

Key Features:

  • Targets fine lines, wrinkles, and skin elasticity
  • Boosts hydration, firmness, and skin texture
  • Contains multiple peptides for a comprehensive effect
  • Suitable for all skin types, including sensitive skin
  • Alcohol-free, oil-free, silicone-free, and cruelty-free

Star Ingredients in The Ordinary Multi-Peptide Serum

What makes this serum a standout is its synergistic blend of active ingredients. Here’s what’s inside and what each ingredient does:

Matrixyl 3000 & Matrixyl Synthe’6

Peptide complexes that stimulate collagen and elastin production, reducing the look of fine lines and wrinkles.

Argireline Complex

Often dubbed “Botox in a bottle,” this peptide helps relax facial tension and reduce expression lines, especially on the forehead and around the eyes.

SYN-AKE Peptide

Mimics a snake venom protein to temporarily reduce muscle contractions, softening dynamic wrinkles.

Hyaluronic Acid Complex

Three types of HA provide multi-depth hydration, plumping the skin and enhancing absorption of peptides.

Amino Acids

Support skin repair and resilience, helping maintain moisture balance and overall skin health.

Each of these ingredients contributes to the serum’s ability to deliver visible results without irritation, making it ideal for consistent, daily use.

Key Benefits of The Ordinary Multi-Peptide Serum

This serum is formulated to multi-task, and here’s what regular users can expect after a few weeks of use:

Reduction in Fine Lines and Wrinkles

Thanks to its collagen-boosting peptides, users report smoother skin with less prominent crow’s feet, forehead lines, and nasolabial folds.

Improved Skin Elasticity

Skin feels firmer and more lifted over time, especially when used consistently for 8–12 weeks.

Enhanced Hydration

The hyaluronic acid complex helps draw moisture into the skin, giving it a plumper, dewier look.

Better Skin Texture

Pores appear refined, and skin becomes more even, making it easier to apply makeup or go bare-faced.

Safe for Sensitive Skin

With no fragrances, alcohol, or silicones, this serum is gentle enough for sensitive and acne-prone skin types.

How to Use The Ordinary Multi-Peptide Serum

Using the serum correctly is key to achieving optimal results. Here’s how to incorporate it into your routine:

When to Use:

  • Twice daily (morning and night) after cleansing and before heavier creams or oils.

How to Apply:

  1. Cleanse your face with a gentle cleanser.
  2. Apply a few drops of the serum onto damp skin.
  3. Gently pat and press it into the skin.
  4. Follow with moisturizer and SPF in the morning.

Note: Avoid combining this serum in the same routine with direct acids (like glycolic acid), pure vitamin C (L-ascorbic acid), or strong retinoids. You can, however, alternate usage across AM and PM.

Real User Reviews: Does It Really Work?

The internet is full of testimonials praising The Ordinary Multi-Peptide Serum — but what do users actually say?

Positive Reviews:

  • “Within 4 weeks, I noticed my forehead lines were softer, and my skin looked more plump.”
  • “My skin drinks this in. I wake up with a more even tone and smoother texture.”
  • “This is a dupe for much more expensive anti-aging serums. And it works!”

Criticisms:

  • “It’s hydrating but not a miracle overnight. You need to use it consistently.”
  • “Not moisturizing enough on its own for dry skin — needs a cream on top.”

Clinical Insight:

Peptides typically show results in 6–12 weeks, so patience and consistency are essential. The product is well-reviewed by dermatologists for its evidence-based ingredients and non-irritating formula.

Who Should Use The Ordinary Multi-Peptide Serum?

This serum is ideal for:

  • Aging or mature skin looking to address wrinkles, sagging, or texture loss.
  • 20s and 30s users focused on preventative skincare.
  • Sensitive or rosacea-prone skin seeking gentle anti-aging alternatives.
  • Combination or oily skin types wanting hydration without heaviness.

It’s one of the few anti-aging serums on the market that balances effectiveness and gentleness without costing a fortune.

Conclusion

Absolutely. If you’re looking for a well-rounded, science-backed anti-aging serum that hydrates, firms, and smooths your skin — The Ordinary Multi-Peptide Serum is a top contender.

For less than the cost of a high-end moisturizer, this serum delivers targeted results by blending multiple peptides, hydrating agents, and amino acids in one potent formula. Whether you’re dealing with visible signs of aging or just want to maintain healthy skin, this product is a smart, budget-friendly addition to your routine.

Verdict: Highly recommended for all skin types.

FAQs 

1. Can I use The Ordinary Multi-Peptide Serum with retinol?

Yes, but not in the same routine. Use retinol at night and the peptide serum in the morning, or alternate nights to avoid potential irritation.

2. How long does it take to see results?

Most users see noticeable improvement in hydration and texture within 2–4 weeks, with anti-aging benefits (like firmer skin and reduced lines) appearing around 6–12 weeks.

3. Is it safe for sensitive or acne-prone skin?

Yes. The formula is fragrance-free, alcohol-free, and non-comedogenic, making it a gentle choice for sensitive or acne-prone skin types.

4. Can I use it with Vitamin C?

It’s best not to use this serum in the same routine as L-ascorbic acid (pure vitamin C). You can use peptides in the morning and vitamin C at night or on alternate days.

5. Is this the same as “Buffet”?

Yes. The formula has been renamed and upgraded. The current version, Multi-Peptide + HA Serum, offers a more advanced peptide complex while maintaining the same benefits as the original “Buffet.”

Also read: Squalane Oil The Ordinary: Full Guide, Benefits & How to Use

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