Skincare Ingredient Encyclopedia
Understand what's really in your skincare. Each guide explains how an ingredient works, what the science says, and which products contain it.
Retinol
Retinol is a form of vitamin A and one of the most extensively studied anti-aging ingredients in skincare. It accelerates cell turnover, stimulates co...
Vitamin C (L-Ascorbic Acid)
Vitamin C is a potent antioxidant that protects skin from UV-induced free radical damage, inhibits melanin production, and is essential for collagen s...
Niacinamide (Vitamin B3)
Niacinamide is a water-soluble form of vitamin B3 with a broad spectrum of skin benefits. It strengthens the skin barrier, reduces pore appearance, co...
Hyaluronic Acid
Hyaluronic acid is a naturally occurring glycosaminoglycan that can hold up to 1000 times its weight in water. As a humectant, it draws moisture into ...
Salicylic Acid (BHA)
Salicylic acid is a beta hydroxy acid (BHA) that is oil-soluble, allowing it to penetrate into pores and exfoliate from within. It is the gold standar...
Sunscreen (SPF Filters)
Sunscreen is the single most important skincare product for preventing premature aging, hyperpigmentation, and skin cancer. UV radiation is responsibl...
Ceramides
Ceramides are lipids that make up over 50% of the skin's barrier. They are essential for retaining moisture and protecting against environmental damag...
Chicken Meal
Chicken meal is a concentrated protein source made by rendering chicken — removing water and fat to create a shelf-stable, nutrient-dense ingredient. ...
Salmon Oil (Omega-3)
Salmon oil is a rich source of omega-3 fatty acids EPA and DHA, which are essential for dogs' skin, coat, joint, and brain health. Unlike plant-based ...
Glucosamine (for Dogs)
Glucosamine is an amino sugar naturally found in cartilage. In dog food, it is added as a supplement to support joint health, particularly for senior ...
Sweet Potato
Sweet potato is a highly digestible complex carbohydrate commonly used in grain-free dog foods as an alternative to cereals. It provides slow-release ...
Meat By-Products
Meat by-products is a controversial ingredient in dog food referring to non-rendered parts of slaughtered animals other than meat — including organs, ...
Probiotics (for Dogs)
Probiotics are live beneficial bacteria added to dog food to support digestive health and immune function. The most common strains used in pet food in...
Brown Rice
Brown rice is a whole grain carbohydrate widely used in dog food as an easily digestible energy source. Unlike white rice, brown rice retains its bran...
Taurine (for Dogs)
Taurine is an amino acid essential for heart function, eye health, and reproduction in dogs. While dogs can synthesise taurine from methionine and cys...