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A

Acetone

What it is Acetone is a powerful, fast-acting solvent widely used in nail polish removers. It...

Acne

What it is Acne is a very common skin condition caused by clogged pores due to...

Actinic Keratosis

What it is Actinic keratosis is a precancerous skin lesion caused by long-term sun exposure. It...

Adaptogens

What they are Adaptogens are a group of natural substances, often derived from herbs and plants,...

Alcohol and Skin

What it is Alcohol and skin conditions are linked, as also discussed in my entry around...

Allantoin

What it is Allantoin is a naturally soothing compound found in plants like comfrey, chamomile and...

Alpha Hydroxy Acid - AHAs

What they are Alpha Hydroxy Acids (AHAs) are water-soluble acids derived from natural substances such as...

Amino Acids

What they are Amino acids are the building blocks of proteins (including collagen, elastin and keratin)...

Antioxidants in Skincare

What they are Antioxidants in skincare, such as vitamin C, niacinamide and green tea extract, play...

At Home Pore Vacuum

What it is At home pore vacuum devices are handheld tools designed to suction debris from...

Azelaic Acid

What it is Azelaic acid is a naturally occurring compound derived from grains such as barley,...

B

Bakuchiol

What it is Bakuchiol is a plant-based compound extracted from the seeds and leaves of the...

Beef Tallow

What it is Beef tallow, a traditional rendered fat, has recently surged in popularity on social...

Benzoyl Peroxide

Benzoyl peroxide is a well-known skincare ingredient used mainly to treat acne.

Beta Hydroxy Acids - BHAs

What they are Beta hydroxy acids (BHAs) are oil-soluble exfoliants, with salicylic acid being the most...

Blepharoplasty

What it is Blepharoplasty is a surgical procedure that improves the appearance of the upper or...

Blue Light and Skin

What it is Blue light and skin health have become more of a focus in dermatology...

Botox

What it is Botox is a purified form of botulinum toxin type A that temporarily relaxes...

C

Cannula

What it is A cannula is a fine, flexible tube used to deliver injectable treatments beneath...

Centella Asiatica

What it is Centella asiatica, also known as cica, or gotu kola, is a medicinal herb...

Ceramides

What they are Ceramides are naturally occurring lipids that make up over 50% of the skin’s...

Chemical Peels

What it is Chemical peels use acid-based solutions to exfoliate the skin, encouraging cell turnover and...

Chemical SPF

What it is Chemical SPF is a sunscreen that utilises synthetic UV filters to absorb and...

Chrono-Peptides

What they are Chrono-peptides are peptides designed to work in alignment with the skin’s natural circadian...

Cica & Cica Needles

What they are Cica, short for Centella asiatica, is a plant-based ingredient celebrated for its calming...

Citric Acid

What it is Citric acid is a type of alpha hydroxy acid (AHA) derived from citrus...

Cold Showers

What they are Cold showers are said to improve circulation, tighten pores and boost overall skin...

Collagen

What it is Collagen is a protein that keeps skin firm, elastic and youthful. As we...

Copper

What it is Copper has long been recognised for its healing and anti-inflammatory properties, and is...

Cortisol

What it is Cortisol is a hormone produced by the adrenal glands, often called the “stress...

Cortisol Face

What it is Cortisol face is a trending term on social media, but not a real...

Cryotherapy

What it is Cryotherapy uses extremely cold temperatures to treat skin conditions like warts, skin tags...

D

Dark Circles

What they are Dark circles are areas of pigmentation or shadowing under the eyes, caused by...

Dehydration vs Dry Skin

What it is Dehydration vs Dry Skin may seem like a subtle distinction, but understanding the...

Dermal Fillers

What they are Dermal fillers are injectable gels used to restore lost volume, smooth wrinkles and...

Dermis

What it is The dermis is the middle layer of the skin, sitting just beneath the...

Diet and Acne

What it is The relationship between diet and acne is complex. Food does not directly cause...

Double Cleansing

What it is Double cleansing involves using an oil-based cleanser followed by a water-based one to...

Dry Brushing

What it is Dry brushing is a technique that involves using a dry, firm-bristled brush on...

E

Eczema

What it is Eczema, also known as atopic dermatitis, is a chronic inflammatory skin condition that...

Elastin

What it is Elastin is a key structural protein found in the dermis, the middle layer...

Emollient

What is an Emollient in Skincare An emollient is a moisturising ingredient that softens and smooths...

Enzymes In Skincare

What they are Enzymes are naturally occurring proteins that act as biological catalysts, speeding up chemical...

Epidermis

What it is The epidermis is the outermost layer of the skin. The epidermis acts as...

Essential Fatty Acids

What it is Essential fatty acids (EFAs), such as omega-3 and omega-6, are crucial for maintaining...

Ethyl Acetate

What it is Ethyl acetate is a fast-evaporating solvent commonly used in nail care products. It...

Exercise and Skin

What it is Exercise and skin health are closely linked, with regular physical activity offering numerous...

Exfoliation

What it is Exfoliation is the process of removing dead skin cells from the surface to...

Exosomes

What they are Exosomes are microscopic, cell-derived particles that play a key role in communication between...

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Skinesis Medical at Sarah Chapman
259 Pavilion Rd, Chelsea,
London SW1X 0BP
020 7589 9585

medi@sarahchapman.com

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