d'reena
The d'reena Journal

Skin science, treatments, and what actually works.

Notes from our therapists on the ingredients and treatments behind every facial — what they do, how they work, and why we choose them for your skin.

NeuroTouch Symmetry Serum: What “Neuroscience-Powered” Actually Means
Ingredients

NeuroTouch Symmetry Serum: What “Neuroscience-Powered” Actually Means

Read More
Treatments Explained

What's Actually Happening During a Bio Cell Treatment

The freshwater sponge behind a Bio Cell Treatment isn't a gimmick ingredient — it's a genuine mechanical exfoliant, which is exactly why it behaves so differently from a chemical peel or a laser.

Read More
Nanoinfusion and LED Light Therapy, Explained
Treatments Explained

Nanoinfusion and LED Light Therapy, Explained

Read More
Treatments Explained

What's Actually Happening During an Oxygen Facial

The oxygen itself isn't really the mechanism — pressure and hydration are doing most of the work, which is a very different (and more useful) thing to understand before you book one.

Read More
Hyaluronic Acid, Explained
Ingredients

Hyaluronic Acid, Explained

Read More
Ingredients

Retinol, Explained

It's the most studied anti-ageing ingredient in skincare — here's what retinol is actually doing at the cellular level, and why delivery matters as much as the ingredient itself.

Read More
What “Biohacking” Actually Means for Your Skin
Ingredients

What “Biohacking” Actually Means for Your Skin

Read More
Treatments Explained

5 Ways We Treat Acne Scarring

Not all acne scars are the same, so we don't treat them the same way — here's how we match the approach to the scar.

Read More
The Real Benefits of Vitamin C (And Why We Layer It Carefully)
Ingredients

The Real Benefits of Vitamin C (And Why We Layer It Carefully)

Read More