Beauty Ingredient Glossary A–Z (UK)
This A–Z glossary explains the most common beauty and skincare ingredients on labels in the UK — what each is and how it’s typically used, in plain English. Each links to the matching range at British Harmonia, shipped UK-wide in GBP.
Niacinamide
Niacinamide is a form of Vitamin B3 commonly used in skincare products for its ability to support skin barrier function and improve overall skin appearance. Shop Niacinamide »
Hyaluronic Acid
Hyaluronic Acid is a substance naturally found in the skin that is often included in cosmetics to help maintain skin hydration and plumpness. Shop Hyaluronic Acid »
Vitamin C
Vitamin C is an antioxidant used in skincare to brighten the skin and even out skin tone. Shop Vitamin C »
Retinol & Retinal
Peptides
Peptides are short chains of amino acids included in skincare formulations to support the skin's natural resilience. Shop Peptides »
Snail Mucin
Snail Mucin is an ingredient derived from snail secretion, popular in skincare for its moisturizing and soothing properties. Shop Snail Mucin »
PDRN
PDRN is a DNA-derived ingredient used in cosmetics for its potential to support skin renewal and vitality. Shop PDRN »
Centella (Cica)
Centella, also known as Cica, is a plant extract used in skincare for its soothing and calming effects on the skin. Shop Centella »
Ceramides
Ceramides are lipids found naturally in the skin, used in skincare to help reinforce the skin's barrier and retain moisture. Shop Ceramides »
Squalane
Squalane is a hydrogenated form of squalene, used in skincare for its lightweight hydrating properties. Shop Squalane »
Salicylic Acid (BHA)
Salicylic Acid is a beta hydroxy acid used in cosmetics for its ability to exfoliate the skin and improve texture. Shop Salicylic Acid »
Glycolic Acid (AHA)
Glycolic Acid is an alpha hydroxy acid included in skincare products to gently exfoliate and enhance skin radiance. Shop Glycolic Acid »
Azelaic Acid
Azelaic Acid is a naturally occurring acid used in skincare to help improve skin tone and texture.
Mandelic Acid
Mandelic Acid is an alpha hydroxy acid derived from almonds, used in cosmetics for its gentle exfoliating properties.
Batana Oil
Batana Oil is derived from the American palm tree and is used in hair and skincare for its nourishing qualities. Shop Batana Oil »
Rosehip Oil
Rosehip Oil is extracted from the seeds of rose bushes and is valued in skincare for its moisturizing and revitalizing properties. Shop Rosehip Oil »
Collagen
Collagen is a protein that is used in skincare products to support skin elasticity and firmness. Shop Collagen »
Caffeine
Caffeine is a stimulant used in cosmetic products for its potential to reduce the appearance of puffiness and invigorate the skin. Shop Caffeine »
Mugwort
Mugwort is a plant extract included in skincare for its soothing and calming properties. Shop Mugwort »
Rice Extract
Rice Extract is derived from rice and is used in cosmetics for its hydrating and brightening effects. Shop Rice Extract »
Product information is for general reference only. Always read and follow the directions, warnings and ingredient list on the packaging. For any medicated or over-the-counter product, follow the instructions and consult a pharmacist or healthcare professional if unsure.
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