Toplash vs The Ordinary Lash Serum: Which Is Better?
Both are excellent prostaglandin-free peptide serums. The Ordinary uses overlapping actives (MP-17, BTP-1, AT-3, REDENSYL) at a remarkable $3.58/mL — roughly 78% cheaper than Toplash ($16.63/mL). Toplash wins on speed: +52.3% length in 8 weeks vs The Ordinary's results taking 16 weeks; and on applicator precision for lash root targeting. Budget pick: The Ordinary. Fastest results: Toplash.
Both are 100% prostaglandin-free — neither Toplash nor The Ordinary contains isopropyl cloprostenate, DDDE, bimatoprost, or any other PGA flagged in the SCCS February 2026 ruling. This comparison is between two safe, responsible formulas — unlike most lash serum comparisons in this space.
At a Glance: Toplash vs The Ordinary
🏆 Fastest Results
Toplash Cosmetics
Toplash Lash & Brow Serum
- Price: $49.90 / 3 mL
- Cost per mL: $16.63/mL
- Key Actives: MP-17, BTP-1, AT-3
- Clinical Speed: 8 weeks (full results)
- Length Gain: +52.3%
- REDENSYL: Not explicitly listed
💰 Best Value
The Ordinary (DECIEM)
Multi-Peptide Lash & Brow Serum
- Price: ~$17.90 / 5 mL
- Cost per mL: $3.58/mL
- Key Actives: MP-17, BTP-1, AT-3, REDENSYL
- Clinical Speed: 16 weeks (full results)
- Results: 75% thickness, 65% volume
- REDENSYL: ✓ Yes (stem cell targeting)
Full Comparison: 10 Key Factors
| Factor | Toplash | The Ordinary |
|---|---|---|
| Price / Volume | $49.90 / 3 mL | ~$17.90 / 5 mL ✓ |
| Cost per mL | $16.63/mL | $3.58/mL ✓ |
| Prostaglandin-Free | ✓ Yes | ✓ Yes |
| Core Peptides | MP-17, BTP-1, AT-3 | MP-17, BTP-1, AT-3 + REDENSYL |
| Clinical Length Gain | +52.3% (published) | 75% thickness (16 wks) |
| Results Timeline | 8 weeks full results | 16 weeks full results |
| Early Results | 98% by day 21 | Early results ~6 weeks |
| REDENSYL (stem cells) | Not listed | ✓ Included |
| Applicator | Precision lash-root brush | Standard wand |
| Safety Rating | ✓ SCCS-compliant | ✓ SCCS-compliant |
Ingredients: Two Well-Formulated PG-Free Approaches
Both formulas use the same core peptide trio (MP-17, BTP-1, AT-3). The Ordinary adds REDENSYL; Toplash focuses on optimizing delivery and concentration ratios for maximum lash speed.
Toplash
Optimized Triple-Peptide Formula
- Myristoyl Pentapeptide-17 (MP-17) — upregulates keratin gene expression; up to 160% keratin increase. Primary driver of fast lash lengthening and thickening.
- Biotinoyl Tripeptide-1 (BTP-1) — follicle anchoring; reduces shedding; +17% length and +19% thickness at 30 days in clinical studies.
- Acetyl Tetrapeptide-3 (AT-3) — extends anagen phase; prevents premature catagen. Core active for length and density gains.
- Panthenol, Centella Asiatica, Chamomile, Rosemary — hydration, anti-inflammatory, and antioxidant support for follicle environment.
- Precision applicator brush optimized for lash root targeting. Formula tuned for 8-week visible results.
The Ordinary
Multi-Complex Peptide Formula (23.5% actives)
- SYMPEPTIDE XLASH® (MP-17) — keratin upregulation; same core active as Toplash.
- Widelash™ (BTP-1 + Panthenol) — follicle anchoring + shaft hydration in one complex.
- CAPIXYL™ (AT-3 + Red Clover) — anagen extension + DHT inhibition via Biochanin-A.
- REDENSYL™ (Larix Europaea + Camellia Sinensis + Zinc) — targets ORS follicle stem cells; activates hair follicle at root-level. Unique addition not in Toplash.
- Anargy® (Oligopeptide-2 + Glycoproteins) — follicle environment conditioning; reduces shedding.
- Total active concentration: 23.5% by weight. Exceptional formula depth at this price point.
What is REDENSYL? REDENSYL targets outer root sheath (ORS) hair follicle stem cells — a growth mechanism distinct from peptide-only approaches. Studies show REDENSYL comparable to 3% minoxidil in scalp density improvement. The Ordinary's inclusion of REDENSYL gives it a formula edge for dense follicle activation, particularly useful for sparse lashes. Toplash achieves fast results without REDENSYL through optimized peptide concentration ratios.
Clinical Results: Speed vs Depth
Both products have published clinical data — but they measure different things at different time points.
Toplash Clinical Data
+52.3% lash length at 8 weeks
- +31.9% volume gain
- +30.6% strength increase
- 98% saw results by day 21
- Timeline: 8 weeks to full results
The Ordinary Clinical Data
75% thickness improvement at 16 weeks
- 65% volume improvement
- 96% reported no irritation
- REDENSYL activates ORS stem cells
- Timeline: 16 weeks to full results
Toplash reaches results in half the time. The Ordinary's 16-week data shows excellent outcomes — but if you want to see results by month 2 rather than month 4, Toplash is the faster path.
Pricing: The Most Dramatic Gap in This Category
Toplash
$16.63 per mL · $49.90 / 3 mL
The Ordinary
$3.58 per mL · ~$17.90 / 5 mL
The Ordinary is approximately 78% cheaper per mL than Toplash. For budget-conscious buyers, The Ordinary is one of the best-value lash serums available — combining multiple premium peptide complexes at a drugstore price point. Toplash's premium is justified by faster documented results and the brand's lash-specific clinical investment.
The Verdict: Who Should Choose Which?
💰 Choose The Ordinary if…
Budget is the priority
At $3.58/mL, The Ordinary delivers a genuinely excellent multi-peptide formula including REDENSYL. If you can wait 16 weeks and want the best cost-per-result ratio, The Ordinary wins clearly.
🏆 Choose Toplash if…
Speed & precision matter
+52.3% length in 8 weeks — twice as fast as The Ordinary's 16-week timeline. Plus a precision applicator for accurate lash-root targeting. For special occasions, weddings, or seeing results faster, Toplash delivers.
Shop Toplash — $49.90
Recommended — prostaglandin-free triple-peptide
Toplash Lash & Brow Serum
★★★★★
MP-17 + BTP-1 + AT-3 with independent clinical data: +52.3% length and +31.9% volume at 8 weeks. Prostaglandin-free, paraben-free, ophthalmic-tested and extension-safe.
Shop Toplash SerumFAQ: Toplash vs The Ordinary Lash Serum
Does The Ordinary lash serum contain prostaglandins?
No. The Ordinary Multi-Peptide Lash and Brow Serum is completely prostaglandin-free. Its formula uses SYMPEPTIDE XLASH (MP-17), Widelash (BTP-1 + Panthenol), CAPIXYL (AT-3 + Red Clover), REDENSYL, and Anargy — all peptide and botanical complexes with no PGA content of any kind. Both Toplash and The Ordinary are safe, SCCS-compliant choices.
Which is better value — Toplash or The Ordinary?
The Ordinary wins on value. At ~$17.90 for 5mL ($3.58/mL), it's approximately 78% cheaper than Toplash ($49.90/3mL, $16.63/mL). Both are excellent PG-free formulas. If budget is the priority, The Ordinary is one of the best-value lash serums in any category. If you want the fastest documented results, Toplash's premium is justified.
Which gives faster results — Toplash or The Ordinary?
Toplash is significantly faster. Clinical data shows +52.3% length in 8 weeks, with 98% of users seeing early results by day 21. The Ordinary's full clinical results are based on a 16-week study. Both are effective — but Toplash reaches full results in half the time.
Does The Ordinary lash serum have REDENSYL?
Yes. The Ordinary Multi-Peptide Lash and Brow Serum contains REDENSYL™ complex (Larix Europaea Wood Extract, Camellia Sinensis Leaf Extract, Zinc Chloride), which targets outer root sheath (ORS) follicle stem cells. REDENSYL is a notable addition not explicitly listed in Toplash's formula. It provides a complementary growth mechanism particularly useful for sparse or thin lash follicles.
Is Toplash or The Ordinary better for brows?
Both are dual lash/brow formulas. The Ordinary's REDENSYL may provide stronger brow follicle activation via stem cell targeting, and its lower cost makes it more practical for brow application (which typically uses more product per application). Toplash's AT-3 effectively extends the anagen phase for brows as well. Either works well for brows.
Can I use The Ordinary lash serum with extensions?
Yes. The Ordinary lash serum is water-based and oil-free — extension-safe. Apply to the natural lash root only, not the extension bond. The same applies to Toplash. Both are safe for use with lash extensions when applied correctly to the natural lash line.
Should I choose Toplash or The Ordinary?
Budget-first: choose The Ordinary — it's exceptional value with a genuinely impressive formula. Results-first or speed-first: choose Toplash — +52.3% length in 8 weeks with the fastest published lash clinical data in the PG-free category. Both are safe, responsible choices that outperform any prostaglandin-containing serum on long-term safety grounds.
Published: Jun 20, 2026
