Lash Serum Buying Checklist Australia: 6 Things to Check Before You Buy

Search for the best lash serum and you will find a hundred lists, each crowned with a different winner. The truth is less exciting and more useful: the best lash serum is the one that suits your eyes, your patience and your comfort, and the way to find it is to know what to check before you buy. This guide shows you the questions worth asking, so you can read any product page like a specialist.

The Beauty Desk · Lash Care · 11 minute read

If you have searched for best lash serum, best lash serum Australia, best lash growth serum or best eyelash serums Australia, this is a checklist you can use on any product, ours included. We sell lash serum, so weigh our view accordingly.

1. Read the full ingredient list

A serum that will not show you its ingredient list is not one to buy. A good product page lists every ingredient, and a good seller checks that list against the manufacturer's packaging and keeps it up to date. Read the list for the active ingredients, and for anything you know irritates your eyes, such as fragrance.

If you want to understand the names, our peptide lash serum guide explains what ingredients like biotinoyl tripeptide-1 are and how they are used.

2. Know whether it contains prostaglandins

Lash serums generally fall into two families: those that use prostaglandin analogues, and those that use peptides and conditioning ingredients instead. In Australia, products that work through prostaglandin analogues are regulated more strictly, which is why the label matters. If you would rather avoid prostaglandins, look for products that say clearly they are prostaglandin-free and then check the ingredient list yourself. Our guide to TGA and prostaglandin lash serums walks through what the label means.

3. Read the warnings, not just the claims

The most useful part of a product page is often the least glamorous: who should not use it, and when to stop. A responsible seller tells you plainly when to avoid a product, such as if you have an eye condition, are pregnant or breastfeeding, or have had a reaction before, and tells you to patch test first. Warnings are not a sign of a weak product. They are a sign of an honest one.

4. Be realistic about the timeline

Lashes grow in cycles, so no serum works overnight. Most people look at consistent use over several weeks before judging, and many guides suggest 8 to 12 weeks. Be wary of anyone promising dramatic results in days. Our 12-week timeline shows what a realistic journey looks like.

5. Check how it is applied

Most serums are applied along the upper lash line, once a day, usually at night. Look for clear instructions and a precise applicator. Our five common mistakes guide covers the errors that waste product and cause irritation.

6. Think about who is selling it

Where you buy matters. Look for a seller who checks ingredients against the manufacturer's packaging, keeps warnings current, and gives clear usage guidance for Australian customers. A product page that was written by someone who has actually used the product reads differently from a copied one.

The checklist at a glance

Where LashViva fits

The LashViva Peptide Eyelash Serum is $35.00 and is a peptide-based, prostaglandin-free serum. We check its ingredient list against the manufacturer's packaging, keep the warnings on the product page current, and include usage guidance. If you also want fuller brows, the Lash and Brow Power Duo pairs LashViva with the BlinkBliss Peptide Eyebrow Serum for $49.95.

A simple routine

1. Patch test on your inner arm first, and follow the product's own instructions.
2. Cleanse the face and remove all eye makeup.
3. Apply a thin line along the upper lash line, as directed.
4. Keep your routine consistent for several weeks.
5. Stop and seek advice if you have irritation or any eye symptoms.

Around Australia

• Sydney, NSW: humid summers; keep applicators clean.
• Melbourne, VIC: dry winters; remove makeup gently.
• Brisbane and the Gold Coast, QLD: sweat and sunscreen; cleanse thoroughly.
• Perth, WA: dry air and UV; keep eyes comfortable.
• Adelaide, SA: swap with the season.
• Canberra, ACT: very dry winters.
• Hobart, TAS: cool and windy.
• Darwin, NT: tropical heat and humidity.

For women and men

Lash serums are not gendered. The checklist above applies to anyone.

Where we fit in

Eastern Curlew is an Australian online beauty store dispatching from Sydney. We sell the products mentioned, so weigh our view accordingly. Product information may change, so always read the current page and the packaging.

Frequently asked questions

What is the best lash serum in Australia?
The one that suits your eyes and comfort. Use the six-point checklist above.

Are peptide lash serums safe?
Many people use them without problems, but patch test first and stop if you have irritation.

How long does a lash serum take to work?
Many guides suggest 8 to 12 weeks of consistent use.

Is LashViva prostaglandin-free?
Yes. Check the full ingredient list on the product page.

Can I use lash serum with extensions?
Check the product's instructions and speak to your lash technician.

This article is general information only. It is not medical advice and does not replace advice from a doctor, optometrist or pharmacist. Results vary from person to person, and you should patch test new products. This guide draws on our own product pages and ingredient checks. Product information may change. Last checked: 10 November 2026.