Suhu Podcast

This week we look at how formulation shapes the way skincare ingredients perform. Ingredient lists are often used as a shortcut for evaluation, but they only show what is present, not how those ingredients are working within the formula. We walk through the main factors that influence performance. Concentration determines how much is available to the skin. The base formula affects how ingredients...

This episode explores how skincare ingredients are shaped long before they reach your skin. Ingredient lists show what is present in a formula, but they do not capture the full set of decisions that influence performance. We walk through the lifecycle of a product, starting with sourcing. Climate, soil, and timing all affect the composition of raw materials. From there, processing changes structur...

This episode begins our Spring Reveals series with a focus on humidity and how it shapes skin behavior. Humidity changes how water moves through the skin. It influences hydration levels, barrier function, and how your routine feels from one day to the next. In higher humidity, water loss slows and skin can feel more hydrated, but oil and congestion may increase. In dry air, water leaves the skin m...

In this episode, we talk through something that’s easy to overlook in skincare: packaging. We often think of packaging as design or sustainability, but it plays a direct role in how well a product actually holds up over time. We get into how exposure to air, light, and heat can affect a formulation, and why material compatibility matters more than most people realize. We also spend time on the tra...

This week we dive into the origin and processing of cosmetic ingredients, emphasizing the importance of understanding the journey of ingredients from agriculture to formulation. We also explore the chemistry of plant oils, the role of fermentation in skincare, and the distinction between natural and synthetic ingredients. Additionally, we highlight the impact of farming practices on ingredient qua...

The conversation delves into the meaning of plant-derived ingredients, the processing and refinement involved, environmental and ethical considerations, the role of chemistry in skincare performance, and the importance of understanding ingredient labels. It emphasizes the need for informed decision-making and the impact of ingredient origin on skincare products. Takeaways Plant-derived ingredients...

“Natural” and “organic” are often treated as if they describe the same standard in skincare. They don’t. In cosmetics, the word “natural” has no standardized legal definition. It may refer to plant-based origin, minimal processing, or simply a marketing description. “Organic” can be meaningful, but only when tied to a formal certification system. Without certification, the word alone does not guar...

Most people read skincare labels like ingredient checklists. In winter, that can get you in trouble. When the air is dry and your skin is more reactive, labels need context. A hero ingredient at the top of a box does not tell you how a product will behave on compromised skin. Concentration matters. Formulation matters. Your barrier matters. In this episode, we walk through how to read winter label...

We talk about “healthy” skin like it always looks bright and active. But winter changes the equation. When the air is dry and the heat is on, skin tolerance drops. Products that once felt energizing can start to sting. The glow you’re chasing might actually be stress. In this episode, we explore the difference between healthy and calm. Why redness and reactivity are signals. And why, in winter, st...

Winter doesn’t usually “break” your skin overnight. More often, it’s everyday habits that quietly add up. Hot showers. Longer routines. Indoor heat. Exfoliating dryness instead of supporting the barrier. In this episode, we break down the common winter behaviors that undermine skin stability and why more effort often makes things worse. We talk about: • How heat increases water loss • Why over-cle...

Winter changes the rules for skincare. Cold air, indoor heat, and low humidity increase water loss and put added stress on the skin barrier. In response, many routines quietly grow more complicated. More steps, more products, more effort. Often with worse results. In this episode, we talk about why winter skin tends to respond better to a minimum routine. Fewer variables, gentler support, and cons...

Hydration and moisture are often used interchangeably in skincare, but they are not the same thing. Confusing the two is one of the biggest reasons winter routines stop working. In this episode, we break down what hydration actually means, how moisture behaves on the skin’s surface, and why drinking water alone does not always solve dryness. We talk about transepidermal water loss, the role of the...

Lotion and oil are often treated as interchangeable, but they play very different roles in supporting skin health. In this episode, we break down how lotions and oils interact with the skin barrier, why they can feel similar at first but behave differently over time, and how using them incorrectly can leave skin feeling tight or unbalanced. We discuss when your skin needs hydration, when it needs...

The skin barrier is talked about constantly in skincare, but rarely explained clearly. In this episode, Lydia and Yorick slow the conversation down and explain what a healthy skin barrier actually does, why it matters, and why you feel it so strongly when it breaks. They explore how everyday habits, seasonal changes, and overuse of products quietly disrupt barrier function, and why supporting the...

If your skincare routine worked in summer but feels off in winter, it’s probably not broken. Winter changes how skin behaves. Cold air, indoor heat, and seasonal habits put extra stress on the skin barrier. In this episode, we talk about why winter exposes weak routines and what actually needs to change to keep skin comfortable and balanced.

If your skincare routine worked well in summer but suddenly feels ineffective in winter, it’s probably not broken. Winter changes how skin behaves. In this episode, we explore how cold air, indoor heating, and seasonal habits increase moisture loss and stress the skin barrier. We discuss why adding more products or stronger actives often makes things worse, and what actually needs to change to kee...

Skincare labels don't have to feel overwhelming. Long ingredient lists. Scientific names. Big claims with very little context. Most people either ignore labels entirely or fixate on one “hero” ingredient and hope for the best. This is a practical, science-grounded conversation about clarity, not perfection. If you have ever wondered how to make sense of ingredient lists without becoming a chemist,...

Most people read skincare labels wrong, and it’s not their fault. Skincare labels are designed to sell products, not to help you understand how they’ll behave on your skin. Buzzwords, ingredient callouts, and “clean” claims often create more confusion than clarity, especially in winter when skin needs change. This week’s podcast breaks down how to read skincare labels in a way that actually helps...

Healthy hair starts at the scalp. In this episode, we explore why circulation is a foundational and often overlooked part of scalp and hair health. We talk about how blood flow delivers oxygen and nutrients to hair follicles, how stress and buildup can interfere with that process, and why stimulating the scalp can support healthier, stronger-looking hair over time. We also discuss the science behi...

Where skincare starts matters. In this inaugural episode, we explore what ingredient sourcing really means, and why it shapes everything from product performance to environmental impact. From farming practices and extraction methods to transparency and traceability, we unpack how ingredients move from the field to your skin. This conversation sets the foundation for how we think about skincare at...