The science behind skin care is fascinating because it explains everything we've ever known about our skin. From the inside out, there's a lot going on beneath the surface of your skin. And when it comes to skincare, knowing the science behind skin care helps us understand what works and what doesn't work.
There are many different types of skin care products available today. Some are designed to be used once or twice a day, others are meant to be used daily. Some work well when applied topically, others need to penetrate the skin to deliver active ingredients.
Skin Care Principles
There are many scientific principles at play here.
- One of them is called occlusivity. It refers to the ability of a product to trap moisture inside the skin. Moisture is essential for healthy skin. Without enough moisture, your skin dries out and becomes flaky and irritated.
- Another principle is penetration. Penetration means getting the active ingredient deep into the skin to reach the deeper layers where toxins reside. This allows the active ingredient to perform its function.
Other factors include pH balance, antioxidants, vitamins, minerals, enzymes, peptides, and botanicals. These are just some of the things that go into making a great skin care product.
Some products are designed to treat specific conditions, while others are designed to improve overall skin health. But regardless of whether you're looking for anti-aging treatments, acne remedies, or just plain moisturizing lotions, understanding the science behind skin care can help you find the right product for your needs.
Here are some examples of things that scientists have discovered about human skin:
- Our skin produces its own oil glands. This means that our skin naturally produces oils that protect it from bacteria and dirt.
- Our skin contains millions of tiny blood vessels called capillaries. These capillaries allow oxygen and nutrients to reach cells throughout our body.
- Our skin is covered in hair follicles. Each hair follicle grows a single strand of hair.
- Our skin makes vitamin D3. Vitamin D3 is essential for healthy bones and teeth.
- Our skin produces sweat to cool off during exercise. Sweat evaporates through pores in our skin.
- Our skin sheds dead cells every day. Dead skin cells fall off our bodies and land on surfaces where they dry and harden.
- Our skin protects us from germs and disease. Bacteria and viruses cannot live on our skin. So when we touch contaminated items, our hands pick up these germs and transfer them to our skin.
- We produce natural tears to keep our eyes moist. Tears lubricate our eyes and prevent infections.
- Our skin absorbs chemicals in food and drinks.
- Our skin creates a barrier between our internal organs and outside world. This barrier prevents toxins from entering our bloodstream.
- Our skin regulates temperature. When exposed to cold temperatures, our body generates heat to warm ourselves. When exposed to hot temperatures, our body releases perspiration to cool itself down.
- Our skin provides protection from ultraviolet rays. Ultraviolet radiation causes sunburns and wrinkles.
- Our skin keeps us hydrated. Water molecules move freely through our skin. They enter our bloodstream and carry water to our vital organs.
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