Active Ingredient

Syn-Ake

INCI: Dipeptide Diaminobutyroyl Benzylamide Diacetate

Anti-wrinkle peptide that relaxes facial muscles

Safety:4/5 — Very Safe
Comedogenic:0/5 — Non-comedogenic
Found in:56 products

About Syn-Ake

Syn-Ake is a synthetic peptide that mimics the effects of temple viper venom, designed to reduce wrinkles by temporarily relaxing facial muscles. Its official INCI name, Dipeptide Diaminobutyroyl Benzylamide Diacetate, reflects its dipeptide structure, which allows it to work topically without injections. In K-beauty, Syn-Ake has become a cornerstone ingredient in anti-aging formulations, particularly in serums and creams targeting expression lines around the eyes, forehead, and mouth. Unlike retinol or acids that accelerate cell turnover, Syn-Ake works by interfering with muscle contraction signals, offering a non-invasive alternative to procedures like Botox. Korean brands have embraced this peptide for its ability to deliver visible smoothing effects without irritation, making it suitable for sensitive skin that cannot tolerate more aggressive anti-aging actives. With a safety rating of 4/5 and a comedogenic rating of 0/5, Syn-Ake is remarkably well-tolerated across skin types. Seoul Sister data shows it appears in 56 K-beauty products, with top-rated formulations like Bioheal BOH's Probioderm Collagen Remodeling Serum (5.0/5) and Numbuzin's No. 9 NAD Bio Lifting-sil Essence (4.9/5) demonstrating its effectiveness when combined with complementary peptides and hydrators. The ingredient's growing popularity reflects K-beauty's shift toward biomimetic technology that works with skin's natural processes rather than forcing dramatic changes.

How Syn-Ake Works

Syn-Ake functions by mimicking Waglerin-1, a peptide found in temple viper venom that blocks acetylcholine receptors at the neuromuscular junction. When applied topically, the dipeptide penetrates the skin and binds to nicotinic acetylcholine receptors on muscle cells, preventing the signal transmission that causes muscles to contract. This temporary paralysis is much milder than injectable neurotoxins but follows the same principle: less muscle movement means fewer repetitive creases that deepen into static wrinkles over time. The dipeptide structure is small enough to penetrate the stratum corneum but large enough to remain stable in formulations. Because it works on the surface level of muscle activity rather than restructuring collagen or affecting cell DNA like retinoids do, Syn-Ake produces visible smoothing effects relatively quickly, often within weeks of consistent use. The effect is cumulative and reversible, meaning continued application maintains results while discontinuation allows normal muscle function to resume. This mechanism makes it particularly effective for dynamic wrinkles (those caused by facial expressions) rather than static wrinkles caused by sun damage or collagen loss, though Korean formulations often pair Syn-Ake with collagen-boosting ingredients for comprehensive anti-aging benefits.

Syn-Ake by Skin Type

Oily Skin

Syn-Ake works well for oily skin because it is non-comedogenic and typically formulated in lightweight serums that absorb quickly without adding greasiness. The peptide itself does not affect sebum production, so it can safely address expression lines without triggering breakouts. Look for water-based formulations like Numbuzin's No. 9 NAD Bio Lifting-sil Essence that layer easily under mattifying products.

Dry Skin

Dry skin benefits significantly from Syn-Ake formulations because Korean brands typically combine this peptide with intensive hydrators and barrier-repair ingredients. Products like Bioheal BOH's Probioderm 3D Lifting Cream (4.8/5) pair Syn-Ake with nourishing textures that address both wrinkle depth and moisture loss. The peptide's non-irritating nature means it won't compromise an already sensitive moisture barrier while working to smooth fine lines.

Combo Skin

Combination skin can use Syn-Ake without worry since the ingredient is non-comedogenic and works independently of oil production. Apply it to areas with expression lines (forehead, around eyes) regardless of whether those zones are oily or dry. The peptide absorbs efficiently and won't migrate or cause congestion in T-zone areas, making it ideal for targeted anti-aging in mixed skin conditions.

Sensitive Skin

Sensitive skin tolerates Syn-Ake exceptionally well because it works through a gentle mechanism that doesn't involve exfoliation, inflammation, or photosensitivity. Unlike retinol or acids that can trigger redness and peeling, this peptide simply modulates muscle signals without disrupting the skin barrier. Its 4/5 safety rating reflects minimal irritation potential, and the high ratings of products like Bioheal BOH's Probioderm line suggest excellent tolerance even in reactive skin types.

Normal Skin

Normal skin can incorporate Syn-Ake as a preventative measure against premature aging or to address early expression lines. The peptide maintains skin smoothness without causing imbalance or requiring extensive adjustment periods. Use it in well-formulated serums like Bioheal BOH's Probioderm Collagen Remodeling Serum (5.0/5) that combine Syn-Ake with complementary actives for comprehensive maintenance and protection.

How to Use Syn-Ake

  1. 1Apply Syn-Ake serums to clean skin before heavier creams, focusing on areas with visible expression lines like crow's feet, forehead creases, and smile lines for maximum effectiveness.
  2. 2Use consistently for at least 4-6 weeks to see cumulative smoothing effects, as the peptide works gradually by reducing repetitive muscle contractions over time.
  3. 3Layer Syn-Ake with hydrating ingredients like hyaluronic acid or glycerin to plump skin while the peptide relaxes muscles, creating a synergistic anti-aging effect seen in top-rated K-beauty formulations.
  4. 4Syn-Ake can be safely combined with retinol, vitamin C, and niacinamide since it works through a different mechanism, though introduce actives gradually to monitor skin tolerance.
  5. 5Store Syn-Ake products away from excessive heat and direct sunlight to maintain peptide stability, and use within 6-12 months of opening for optimal potency.

Background

Syn-Ake was developed by Swiss company Pentapharm (now part of DSM) in the early 2000s as a biomimetic alternative to injectable wrinkle treatments. Researchers studied the paralyzing effects of temple viper (Tropidolaemus wagleri) venom and isolated Waglerin-1, a peptide that blocks muscle contraction. By synthesizing a similar dipeptide structure that could work topically, they created an ingredient that mimics snake venom's smoothing effects without the dangers or needles. K-beauty brands quickly adopted Syn-Ake in the mid-2010s as Korean skincare philosophy embraced advanced peptide technology and non-invasive anti-aging solutions. The ingredient fit perfectly into Korea's preventative approach to aging, where consumers start anti-wrinkle treatments in their twenties and thirties rather than waiting for deep lines to form. Brands like Bioheal BOH have made Syn-Ake a signature ingredient in their Probioderm lifting line, combining it with probiotics and other peptides to create comprehensive anti-aging systems that reflect K-beauty's holistic, multi-ingredient approach.

K-Beauty Products with Syn-Ake

View all 56

Frequently Asked Questions

Is Syn-Ake actually as effective as Botox?
Syn-Ake works through a similar mechanism as Botox (blocking acetylcholine receptors) but is significantly milder and works topically rather than via injection. While it can visibly reduce expression lines with consistent use, it will not produce the same dramatic muscle paralysis as injectable neurotoxins. Think of it as a preventative or maintenance ingredient rather than a replacement for medical procedures, especially effective for early fine lines.
How long does it take to see results from Syn-Ake products?
Most users notice initial smoothing effects within 2-4 weeks of consistent daily application, with more significant improvements appearing after 6-8 weeks. The high ratings of products like Bioheal BOH's Probioderm Collagen Remodeling Serum (5.0/5) suggest users see satisfying results within this timeframe. Results are cumulative and reversible, so continued use maintains the smoothing effect.
Can I use Syn-Ake if I'm pregnant or breastfeeding?
While Syn-Ake is a synthetic peptide with a good safety profile (4/5 rating) and works topically rather than systemically, there is limited research on its use during pregnancy and breastfeeding. Most dermatologists recommend avoiding non-essential active ingredients during this time. Consult your healthcare provider before using anti-aging peptides if you are pregnant, nursing, or trying to conceive.
Why do so many Syn-Ake products come from Bioheal BOH?
Bioheal BOH has made Syn-Ake a cornerstone of their Probioderm 3D Lifting line, which dominates Seoul Sister's top-rated products containing this ingredient. The brand combines Syn-Ake with probiotics, collagen-boosting peptides, and advanced delivery systems, creating highly effective formulations that consistently earn 4.8-5.0 ratings. This focused expertise has made them a leader in peptide-based anti-aging within K-beauty.
Can Syn-Ake cause skin sensitivity or sun damage?
No, Syn-Ake does not cause photosensitivity or increase sun damage risk like retinol or acids do. Its mechanism of relaxing facial muscles does not affect skin's UV vulnerability or barrier function. With a 0/5 comedogenic rating and excellent tolerance across skin types, it is one of the gentler anti-aging actives available, though daily SPF is always recommended when using any anti-aging regimen.

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