• Lash serum product image 1
  • Before and after lash serum
  • USP&
  • What users say about costiq lash serum
  • Timeline use lash serum
  • Lash serum product image 2
  • Lash serum product image 3
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COSTIQ® LASH SERUM

€23,07 EUR
€32,95 EUR
€23,07 EUR
tax included. Shipping calculated at checkout.
Lash serum product image 1
Before and after lash serum
USP&
What users say about costiq lash serum
Timeline use lash serum
Lash serum product image 2
Lash serum product image 3

Why Costiq?

Costiq

Others

Extensions

100% natural

Painless

Without hormones

Vegan

Results guarantee

Results with our lash serum

Before & After COSTIQ

Week 0

Thin & short lashes

Week 0

Thin & short lashes

Week 4-6

Full & long lashes

Week 4-6

Full & long lashes

Collagen

Hydrates your lashes and promotes fast recovery and growth.

Biotin (Vitamin B7)

Strengthens the power and vitality of your hair and gives radiant skin.

Pentapeptide-17

Extends the growth phase of your lashes and helps improve their thickness.

FAQ

If you need help with your order or have a question about one of our products, please read the frequently asked questions below. If you can’t find your answer there, contact our support team at hey@costiqbeauty.com

Our customer service team is available every day. Average response time: 1–2 business days.

How should I apply the serum?

1. Remove your makeup with an oil-free makeup remover or cleanser.
2. Apply a thin layer to your lashes. One layer is enough for both eyes.
3. Wait until the serum has completely dried before applying other products.
4. Let the serum work overnight.

Can it be used with other products?

Absolutely! After the serum is completely dry, feel free to use your other beauty products.

Is it safe to use?

Our serum is 100% natural, safe, vegan, cruelty-free, sulfate-free, and paraben-free.

What are the ingredients?

Aqua, Hyaluronate, Pentylene Glycol, Panax Ginseng Extract, Swertia Japonica Extract, Pumpkin Seed Extract, Acorus Calamus Root Extract, Panthenol, Serenoa Serrulata Fruit Extract, Biotinoyl Tripeptide-1, Myristoyl Pentapeptide-17, Oligopeptide-10, Tocopherol, Biotin, Total.

Does it really work?

Definitely! However, as with any worthwhile treatment, patience and consistency are essential. Results depend on the stage of your lash growth cycle at the beginning, with full results usually visible within 4–6 weeks. If it doesn’t seem to be working, just send us an email.

Are there any precautions to keep in mind when using the serum?

  • Avoid direct contact with the eyes.
  • Do not use if you are pregnant, breastfeeding, or under 18 years old.
  • Keep out of reach of children.
  • A patch test is recommended; discontinue use if redness or irritation occurs.
  • Consult your doctor before use if you have any pre-existing medical conditions.

Can I return my order?

All returns must be registered within fourteen (14) days of delivery. All returned items must be in new and unused condition, in their original packaging. For more information, please refer to our return policy.