Epidermis

The epidermis is the thin, outer layer of the skin that is visible to the eye and works to provide protection to the body. It does not contain any blood vessels and is, therefore, dependent on the dermis, the layer of the skin underneath it, to provide access to nutrients and dispose of waste.

What is the Epidermis?

The epidermis is the thin, outer layer of the skin that is visible to the eye and works to provide protection to the body.

Study reveals vitamin C’s role in strengthening aging skin

The skin acts as the body's first line of defense against external threats. However, as we age, the epidermis-the outermost layer of skin-gradually becomes thinner and loses its protective strength.

25 Jun 2025

Can your diet slow skin aging? New review reveals what helps and what harms

Scientists reviewed recent studies and found that antioxidant-rich diets help slow skin aging, while high intake of refined sugars and trans fats accelerates it. A balanced, nutrient-dense diet may be a practical way to protect skin health and delay visible signs of aging.

6 May 2025

Empa scientists create innovative hydrogel for simulating the human skin

Growing cells in the laboratory is an art that humans have mastered decades ago. Recreating entire three-dimensional tissues is much more challenging.

16 Apr 2025

How your skin’s microbes shape immunity, inflammation, and chronic skin disease

Skin microbes do more than coexist—they shape immune responses, repair tissue, and influence gene expression across your lifespan. This review explains how disruptions in this microbiome-immune dialogue can lead to eczema, psoriasis, or acne.

2 Apr 2025

Understanding the process and risks of tattoo removal

Sometimes people get a permanent tattoo then later decide they no longer want it. Life situations change or maybe the tattoo just didn't come out as hoped.

10 Feb 2025

Topical immunotherapy clears precancerous skin lesions and reduces cancer risk

Calcipotriol-plus–5-FU therapy activates immune pathways, offering long-lasting protection against squamous cell carcinoma by targeting precancerous lesions.

6 Jan 2025

Skin as an immune hero: Fighting infections with self-made antibodies

Researchers uncover how the skin autonomously produces antibodies through specialized immune structures, maintaining microbial balance and preventing infections.

12 Dec 2024

Scientists unveil a 3D photoacoustic scanner that speeds up vascular imaging for real-time clinical use

Researchers have developed a rapid 3D photoacoustic tomography (PAT) scanner for high-resolution vascular imaging, enabling fast and detailed visualization of the microvasculature.

1 Oct 2024

Iron retention in skin linked to psoriasis: Could hepcidin be the missing piece in treatment?

This study reveals hepcidin's significant role in psoriasis, linking iron retention to inflammation and keratinocyte growth, suggesting new therapeutic targets.

1 Oct 2024

Researchers uncover clues to the mechanism behind vitiligo

Skin pigmentation disorders affect people across the world. One of them, vitiligo, is said to have a worldwide incidence of 1-2%.

10 Sep 2024

Sweden reports drop in skin cancer rates for under 50s

The risk of skin cancer, malignant melanoma, now appears to be decreasing in Sweden - at least in those under 50, according to a new study.

9 Sep 2024

Genetic loss of miR-205 boosts mammary gland development in mice, reveals new insights into breast cancer suppression

Genetic loss of miR-205 in mice enhances mammary gland development and branching, challenging previous lethality findings and highlighting its onco-suppressive functions.

30 Jul 2024

Unveiling the healing power of Alcaligenes faecalis in diabetic wounds

There are many important reasons for keeping cuts and sores clean, but new research from the Perelman School of Medicine at the University of Pennsylvania shows that a certain bug,

25 Jul 2024

New ULTRA-PTT technology enhances the performance of conventional photothermal therapy

Professor Jin-ho Chang's research team from the Department of Electrical Engineering and Computer Science at DGIST (President Kun-woo Lee) developed "Ultrasound-assisted photothermal therapy (ULTRA-PTT)" technology that significantly enhances the performance of conventional photothermal therapy.

25 Jun 2024

CSHL researchers reveal MED12 as key player in basal-like pancreatic cancer

Things aren't always as they seem. Take pancreatic cancer, for example. In up to one in 10 cases, researchers have documented a peculiar characteristic.

17 Jun 2024

Researchers develop novel method to 'grow your own' donor skin

Skin grafting is an essential procedure used to treat severe skin wounds. In the case of extensive wounds, however, it can be challenging to harvest enough donor skin, and generating artificial skin substitutes that include hair follicles and sweat glands and can engraft on deep wounds has not been successful.

29 May 2024