La Phytothèque

Beautiful curls aren’t created with guesswork — they’re built on science. For women with 3B–4C curls, haircare is not just about moisture, it’s about strategy. Each curl pattern has unique challenges — from 3B’s ringlets prone to frizz, to 3C’s tighter spirals, and the dense coils of 4A and 4B hair that need both definition and strength. Dermatologists and trichologists emphasize that curls are structurally different from straight or wavy hair, which is why targeted routines and ingredients are essential. Let’s break down the science, the solutions, and the routine map for curls that are strong, defined, and nourished. Why...

Let’s prep your strands for fall without the stress. As the seasons shift, so do your hair’s needs. Summer’s sun, salt, and chlorine leave behind invisible stress, while fall brings cooler air, indoor heating, and less humidity — a recipe for dryness, dullness, and color fade. Dermatologists and trichologists agree: just like you swap your skincare for colder months, your haircare needs a seasonal reset. Here’s what premium beauty buyers should focus on to transition strands from sun to sweater weather. Why Seasonal Transitions Stress Hair UV and heat damage from summer weaken the cuticle (the outer “shield” of the...

You’ve been skipping this for too long. Let’s change that. When it comes to haircare, most routines stop at shampoo, conditioner, and perhaps a weekly mask. But dermatologists and trichologists agree that the most important step for long-term hair health often goes overlooked: scalp care. Just like healthy skin is the foundation for radiant makeup, a healthy scalp is the foundation for beautiful hair. Without it, even the best treatments, serums, or color services cannot perform at their full potential. Why Scalp Care Is the Missing Step The Scalp-Hair Connection The scalp contains over 100,000 follicles, each producing a strand...

If your breakage gets worse in fall, this blog is for you. Blow dryers, flat irons, curling wands — heat styling is part of modern beauty routines. But it’s also one of the most common culprits behind breakage, dryness, and dullness. The problem? There’s a lot of misinformation around heat damage. Dermatologists and trichologists emphasize that understanding the truth is the first step to protecting your hair. Let’s break down the three most common myths about heat damage — and what really works. Myth 1: Heat Damage is Only Cosmetic Many people think heat damage just makes hair frizzy or...

It’s not just the sun. Let’s break down the science — and the solution. Color-treated hair is an investment in your style, your confidence, and your self-expression. But nothing feels more frustrating than watching that vibrant shade fade too quickly. While many people assume the sun is the main culprit, dermatologists and trichologists explain that color fading is a complex process involving multiple factors — from the hair’s outer cuticle layer to the daily products you use. The good news? Once you understand the science of fading, you can protect your color and keep it radiant for weeks longer. Why...

You packed away the swimsuits — but your hair may still be holding onto summer stress. Even after the season ends, the effects of sun, chlorine, saltwater, and heat don’t just disappear. Summer damage lingers in the cuticle and scalp, leaving your hair weaker, duller, and more prone to breakage. Here are three signs your hair hasn’t bounced back — and how to restore it. 1. Dullness That Won’t Go Away If your hair looks flat and lacks its usual shine, it’s more than just buildup. UV exposure breaks down keratin proteins, which reduces your hair’s ability to reflect light....