Eyelash Serum or Glaucoma Treatment? The Risk and Reward of Prostaglandin Analogs! - EP 45

What ingredients are in your lash serum? And is it really worth the risk?  Long, luscious lashes are a beauty goal for many, but do you really know what's happening when you use those popular eyelash serums? This week we are diving into an unlikely lash lengthener that was discovered while treating glaucoma. We are telling you everything you need to know about prostaglandin analogs. These ingredients not only stimulate lash growth but can also cause side effects like eye color darkening and sunken under-eye fat. In this eye-opening episode, cosmetic chemists Natalie and Sadie explain the science behind lash enhancers, revealing why they're effective and how they might do more harm than good. We cover:  How prostaglandin analogs influence your hair growth cycle to produce longer, thicker lashes The truth about the only FDA-approved lash serum, Bimatoprost (Latisse), and its risks Why ingredients like peptides and oils might be safer, yet less dramatic, alternatives The potential danger of prostaglandin analogs causing your eye fat to shrink and your iris to darken Practical tips to protect your eyelashes and avoid undesired side effects, focusing on more sustainable routine habits. This episode is great for beauty enthusiasts who want that fluttery lash look without risking their eye health.  Welcome to Beauty by the Beaker, the podcast where Science Gets a Hot New Makeover! We're two cosmetic chemists who want to reveal what really goes into your favorite products. Join us in the Science Salon! Whether you’re a skincare enthusiast, a curious consumer, or just tired of being told coconut oil cures everything, you’re in the right place. Let's gossip about all things beauty together! Pull up a chair, your appointment's about to start. Timestamps: 00:00 - The chemistry behind lash serums and their effects 00:40 - The biology of eyelash phases and how serums extend growth 02:14 - Side effects: fat loss under the eyes and eye discoloration 03:02 - Glaucoma, prostaglandin analogs, and their accidental lash-growing effects 04:17 - The mechanism of prostaglandin analogs on eyelashes and eye health 05:09 - FDA-approved lash ingredients versus marketing claims 06:02 - The eyelash growth cycle and how serums hijack the process 07:27 - How prostaglandin analogs can cause eyelid and eye color changes 08:27 - Reversibility of fat loss and risks of eye pigmentation 09:25 - Safe lash practices and alternative products 10:11 - Summary of risks and safety tips for users of lash serums 11:04 - Making your lashes appear longer with makeup tricks 12:12 - Practical advice for protecting natural lashes and monitoring side effects 13:40 - The importance of clinical evidence in choosing lash serums 14:25 - Everyday habits influencing lash health and longevity 15:46 - Final safety considerations and product recommendations 16:36 - Enhancing lash appearance with makeup techniques 17:00 - Final thoughts Visit our website to read more about this episode and check out our blog post with more sources. www.beautyxbeaker.com Join us on Instagram, Facebook, TikTok and Youtube! @beautyxbeaker @natbxb @sadiebxb Contact us at info@beautyxbeaker.com Special thanks to Flip Twogood for our photos and music and Hailey Romero for our branding.