Category: Ingredients

Isothiazolinones (like methylisothiazolinone/MI and methylchloroisothiazolinone/MCI) are potent broad-spectrum preservatives that replaced parabens in many cosmetics. While highly effective at preventing microbial growth, they’ve earned strict regulations due to widespread contact allergies and skin sensitization. Here’s why brands still use them – and the limits you need to know.

Dimethicone and other silicones are everywhere in beauty products – from silky serums to shine-boosting conditioners. These synthetic polymers create that luxurious “slip”, lock in moisture and improve product performance. But are they helping your skin and hair long-term, or just masking issues? Here’s the science behind why brands love them and what they actually…

Sunscreen filters are your first line of defense against UV damage, but understanding how they actually protect your skin can help you choose the right one. Mineral filters like zinc oxide and titanium dioxide sit on the surface and block rays physically, while organic (chemical) filters absorb UV energy and convert it to heat. Here’s…

Fragrance allergens are specific aroma compounds that must be declared on cosmetic labels in the EU when they exceed trace levels. Originally 26 compounds identified for their high sensitization potential, this list helps consumers with contact allergies avoid triggers. While the EU expanded labeling requirements in 2023, the original 26 remain the most recognized –…

Phenoxyethanol appears on nearly every cosmetic ingredient list as a go-to preservative – and for good reason. It prevents bacterial, yeast and mold growth in water-based products, keeping them safe and stable for months. But social media claims about toxicity have raised eyebrows. Here’s the actual science behind its safety, concentration limits and who should…

Glycolic acid has long been a star of exfoliating skincare – and for good reason. As one of the most effective alpha‑hydroxy acids (AHAs), it works to dissolve dead skin cells, smooth uneven texture and stimulate collagen renewal. If your skin feels dull, congested or rough, glycolic acid can help reveal a brighter, more even…

Salicylic acid is a skincare classic that’s earned its reputation as the go‑to ingredient for unclogging pores and keeping breakouts under control. As the best‑known beta‑hydroxy acid (BHA), it’s oil‑soluble, meaning it can actually penetrate into the pores – making it especially effective for oily and acne‑prone skin types. Let’s break down how it works,…

If you’re looking for skincare that helps your skin look firmer, smoother and more resilient, peptides deserve your attention. These tiny chains of amino acids act as messengers that tell your skin to perform specific functions – like producing more collagen and elastin. While they sound scientific, peptides are actually one of the gentlest and…

If your skincare routine could use a strong foundation, ceramides are where to start. These naturally occurring lipids (fats) are the glue that holds the skin together – literally keeping moisture in and irritants out. As your skin loses ceramides over time due to age, harsh cleansers or cold weather, the barrier weakens, leading to…

Hyaluronic acid is one of skincare’s biggest buzzwords – and unlike many trends, this one is backed by real science. Known for its remarkable ability to attract and hold water, hyaluronic acid is a hydration powerhouse found naturally in your skin. But, as we age and face environmental stressors, our natural levels decline. Here’s what…