The Expiration Check ⏳ You are about to perform a lash lift, and Step 1 smells noticeably more sour and stale than it did last week. What has likely happened to the product, and what is the risk of using it?

You smell a lash primer, and it has a powerful, sharp, eye-watering medicinal scent. What does this tell you about its alcohol content, and how must you adjust your application?

Now that we’ve officially kicked off The Sniff Test Masterclass: Decoding the Chemistry of Lash Lift & Tint Formulas, it’s time to put your senses to the test! Instead of writing out your homework manually, I’ve set up a streamlined workshop survey for you to submit your findings. You can access the classroom module and your worksheet questions directly right here: 👉 Take the Sniff Test Workshop Survey Here! 🧪 What to Do Next: 1. Head to the Classroom Link: Click the link above to review the lessons and open the survey. 2. Grab Your Inventory: Safely test 2–3 brands of lash lift steps, neutralizers, primers, or tints currently in your studio. 3. Submit Your Answers: Complete the survey questions covering the Reducing Agents (Sulfur vs. Cysteamine), Red Flag Fragrances, and the Alcohol Breakdown. 4. Come Back & Chat: Once you submit your survey, jump back into the comments on this post! 👇 Let's Open Up the General Discussion! While you're working through the survey, let's start connecting the dots here in the community: • Which product in your studio has the strongest, most pungent chemical scent, and did you realize what ingredient was causing it before this masterclass? • Have you ever encountered a brand that was heavily perfumed or masked? Did it ever cause irritation or watery eyes for a client? Drop your initial thoughts, a-ha moments, or questions below. Let’s level up our product knowledge together! 🧠✨ Sniff Test Workshop Survey Here! 1. The Fragrance Trap 🍇 You open a new brand of lash lift solution, and it smells entirely like fresh lavender with no chemical undertone at all. Why should this make you cautious as a lash professional?

said it perfectly This short video touches on something many lash artists overlook: retention is not solved by switching products — it’s solved by understanding the system behind the set. 🎥 Watch here: https://www.skool.com/mias-lash-lab-2289/classroom/4fc9ad0f?md=cb6a80516dfe47a1a3ddaf83e6fca9e9 What this video opens the door to (but doesn’t fully unpack yet): • Environmental settings (humidity & temperature) • Lash condition & cleanliness • Understanding the lash cuticle • Styling, curl choice & placement • Using shorter lengths strategically All of these play a role in retention — and none of them work in isolation. We’ll be going deeper into each of these areas as we continue building a true retention system, step by step. For now, I want to know: 👇🏽 What part of retention do you feel most unsure about right now? More to come soon 🤍

Hey everyone! 👋 I wanted to share a quick recap from this past weekend. We had an amazing time at the 2026 Be + Well Conference in Vegas! We learned a ton about the current trends in Korean Lash Lifts and tints, which are absolutely blowing up right now. But the highlight of the trip? My mom asked to smell the product during a demo. Thank God for a smart mommy! It got me thinking about how we evaluate what we put on our clients. I actually posted about this on Instagram, but I wanted to bring the real discussion here to our community. 🛑 Let's Open Up the Discussion! Why did Mom ask to smell the product? Ladies & gents, do you smell your products? When you do, what are you—as a lash artist or esthetician—actually looking (or smelling) for? Drop your thoughts in the comments! I’ve put together a breakdown below on why the "sniff test" is a massive tool for us as beauty professionals. 👇 🧠 Why the "Sniff Test" Matters: An Elaboration for the Group When evaluating new lash lift perming solutions, neutralizers, and tints, your nose is often your first line of defense. Here is what an experienced lash artist or esthetician is actually scanning for when they smell a product: 1. Detecting High Levels of Cysteamine vs. Thioglycolic Acid Traditional lash lift formulas rely heavily on Thioglycolic Acid, which has that classic, sharp, rotten-egg sulfur smell. Many modern Korean lash lift systems emphasize gentle, low-damage formulas, often utilizing Cysteamine HCL or milder derivatives. • While cysteamine still has a distinct scent, an incredibly overpowering, harsh chemical smell usually indicates a high pH or a high concentration of aggressive processing agents that could easily over-process or fry a client’s natural lashes if not timed perfectly. 2. Identifying Masking Fragrances (The Allergy Trigger) If a brand claims their formula is "completely odorless" or smells like artificial strawberries/perfume, a smart artist immediately gets suspicious. • Severe chemical processing agents cannot naturally smell like fruit. If it smells heavily perfumed, the manufacturer added heavy masking fragrances. Fragrances are one of the number one triggers for contact dermatitis and ocular irritation. Smelling the product helps you gauge if a "pleasant-smelling" formula is actually a walking allergy risk for sensitive clients.