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Many things improve over the years; unfortunately, your skin is not one of them. Wrinkles, brown spots and general dullness often begin to creep in over the years. To eliminate these problems, many women turn to skin serum. Serums are light, easily absorbed oil- or water-based liquids that you spread over the skin. They usually come in small dropper bottles and you only need a few drops to treat your entire face.

What Is The Purpose Of A Serum

What Is The Purpose Of A Serum

A skin serum is not a moisturizer like a lotion or cream, says Dr. Abigail Waldman, an instructor of dermatology at Harvard Medical School. Instead, they are highly concentrated formulations designed to absorb quickly into the skin and deliver an intense dose of ingredients that can address common skin concerns. “I definitely recommend serums to anyone concerned about aging. It’s a really good way to get extra anti-aging benefits, more than your usual moisturizer and sunscreen,” says Dr. Waldmann.

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Serums are usually applied to the skin after cleansing but before moisturizing, says Dr. Maryam M. Asgari, associate professor in the department of dermatology at Harvard Medical School. Some serums have one main ingredient, while others, including those that target the signs of aging, are combination formulas. “I use and recommend serums that contain a combination of vitamin C, vitamin E and ferulic acid,” says Dr. Waldmann. “There is good literature showing that vitamin C, in particular, can prevent brown spots, reverse UV damage, and stimulate the growth of new collagen.”

Other good skin serum options for targeting wrinkles are those with antioxidants, including tea polyphenols and resveratrol. Retinol, which reduces inflammation, is another good option, as is niacinamide.

To fight blemishes and discoloration, look for formulas that can lighten and lighten dark spots, including kojic acid and glycolic acid. If your skin is dry, tight, and flaky, look for a skin serum that contains vitamin E, niacinamide, and glycolic acid. Also look for ceramides, which are fatty molecules that help hold skin together and prevent moisture from escaping. Other good options are serums containing hyaluronic acid, or those with collagen peptides, epidermal growth factors, or stem cells.

Not all serums work the same. How well they work depends on the active ingredients, formulation, carrier and stability of the compound, says Dr. Asgari. Serums range in price from less than $20 to hundreds of dollars. “To be honest, I don’t think the price makes a difference,” says Dr. Waldmann. More important than price are the ingredients in a serum, so it’s best practice to read labels to find the best formulation for your needs.

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“Strong ingredients can irritate sensitive skin,” says Dr. Asgari. “Always test a small area before applying a skin serum widely.” And be careful when combining serums that contain acids with other products that also contain acids. For example, your skin may become irritated if you use a vitamin C serum (which is acidic) and a retinol cream, or if you use a retinol serum with a prescription retinol cream.

Kelly Bilodeau is the former executive editor of Harvard Women’s Watch. She began her career as a newspaper reporter and later became managing editor at HCPro, a nursing publishing company in the Boston area, … See full bio

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What Is The Purpose Of A Serum

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Get helpful tips and guidance on everything from fighting inflammation to finding the best diets for weight loss…from core-building exercises to cataract treatment tips. PLUS, the latest news about medical advances and discoveries from experts at Harvard Medical School. Did you know that your baby’s epidermis is 20% thinner than an adult’s?⁶ If you compare the skin of an adult and a baby, the baby’s skin is ten times more absorbent. Since a baby’s skin is ten times more absorbent, this also means that their skin is susceptible to losing ten times the amount of fluids and nutrients.⁷ During the first year of a baby’s life, they have not yet developed the ability to naturally retain and produce moisturizing elements, even though their skin contains large amounts of water .⁸

Serums are a great way to help deliver nutrients to the skin.

One of the key ingredients in our Probiotic Power Serum is tomato fruit extract. Tomato fruit extract acts as a skin care agent due to the high amounts of vitamin A, vitamin C, folic acid and potassium.⁹ Our serum also protects the skin with another component called phytosterols. Phytosterols are plant cells that protect the skin from collagen loss. Collagen is essential for the skin as it helps in skin regeneration. Collagen is essential for babies because it prevents harmful substances in the air from penetrating their skin. If your baby’s skin lacks a significant amount of collagen and is exposed to pollutants in the air, his skin is at risk of becoming inflamed.¹⁰

What Is The Purpose Of A Serum

Roe created the serum because we recognize that a moisturizer doesn’t do enough to address skin sensitivity for everyone. Probiotics are critical for bringing healthy bacteria deep into the different layers of the skin within the epidermis.¹¹ One probiotic in our serum, Lactococcus Ferment Lysate, includes protective antimicrobial peptides. This peptide increases the skin’s autoimmune response, which has a beneficial effect on skin growth.¹²

Diy Face Serum

Adding a serum to your baby’s skin care routine will benefit the skin by alleviating sensitivity and irritation to anything that gets inflamed in the deeper layers of the skin.

Its water-like consistency absorbs effectively into the skin without losing any product. So a little goes a long way! A protective barrier against harmful debris will leave your child more opportunities to feel comfortable in their own skin.

⁶ Stamatas, Georgios N et al. “Infant skin microstructure assessed in vivo differs from adult skin in organization and at the cellular level.” Pediatric Dermatology vol. 27, 2 (2010): 125-31. doi:10.1111/j.1525-1470.2009.00973.x

⁷ Oranges, Teresa et al. “Skin Physiology of the Newborn and Infant: Clinical Implications.” Advances in ox wound care. 4, 10 (2015): 587-595. doi:10.1089/rane.2015.0642

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⁹ Chambial, Shailja et al. “Vitamin C in Disease Prevention and Treatment: A Review.” Indian Journal of Clinical Biochemistry: IJCB vol. 28, 4 (2013): 314-28. doi:10.1007/s12291-013-0375-3

¹¹ “Probiotics: What You Need to Know.” National Center for Complementary and Integrative Health, US Department of Health and Human Services, www.nccih.nih.gov/health/probiotics-what-you-need-to-know.

¹² Kim, Jung Eun and Hei Sung Kim. “Skin and gut microbiome in atopic dermatitis (AD): understanding pathophysiology and finding new management strategies.” Journal of Clinical Medicine Vol. 8, 4 444. 2 April 2019, doi:10.3390/jcm8040444 Serum albumin is the most abundant circulating plasma protein. It accounts for about half of the total protein content (3.4 to 5.4 g/dL) in plasma (ie, the cell-free component of blood). Albumin is a protein synthesized by hepatocytes in the liver and secreted into the blood in very large quantities. Minimal amounts of albumin are also stored in the liver.

What Is The Purpose Of A Serum

When albumin enters the bloodstream, approximately 30% to 40% remains in the circulation, with the remainder entering the interstitial space. Serum albumin levels are a very useful laboratory value and are easily measured with the serum albumin test, which is a common blood test.

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Serum albumin has many homeostatic functions in the body. Most importantly, it maintains intravascular oncotic pressure and prevents leakage of fluid into the extravascular space. In addition, albumin acts as a carrier of several different endogenous (e.g. long-chain fatty acids, steroids) and exogenous (e.g. various drugs) compounds in the blood. Binding of these substances to albumin can reduce their toxicity, as seen in the case of unconjugated bilirubin.

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