Neogen Sur.Medic+ Azulene Soothing Cream Versus Neogen Sur.Medic Super Ceramide 100 Renewal Cream

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Research shows Centella Asiatica can help increase Type I collagen production by increasing fibroblast production. Fibroblast helps form connective tissue.

The combination of all these properties makes Centella Asiatica Extract effective at soothing the skin.

Other components of Centella Asiatic Extract include Vitamin A, vitamin C, several B vitamins, and Asiatic Acid.

Recent studies found madecassoside may help prevent damage from UV rays by preventing UV-induced inflammation. Further research is needed.

This plant has been used as a medicine and in food for many centuries. As a medicine, it is used to treat burns, scratches, and wounds.

Its main roles are:

They are usually derived from natural fats and oils and therefore do not have the same drying or irritating effect as solvent alcohols. FDA allows products labeled "alcohol-free" to have fatty alcohols.

As an emollient, it helps soften skin and supports barrier-replenishing ingredients.

In cosmetics, Glyceryl Stearate is often made from vegetable oils or synthetically produced. The human body also creates Glyceryl Stearate naturally.

Tromethamine helps balance the pH level of a product. Normal pH level of skin is slightly acidic (~4.75-5.5). The acidity of our skin is maintained by our glands and skin biome. Being slightly acidic allows our skin to create an "acid mantle". This acid mantle is a thin barrier that protects our skin from bacteria and contaminants.

Oral Tromethanmine is an anti-inflammatory drug but plays the role of masking, adding fragrance, and/or balancing pH in skincare.

1,3-Propanediol, 2-amino-2-(hydroxymethyl)-

Palmitic Acid may not be fungal-acne safe. It can worsen oily skin and cause breakouts due to its emollient nature.

Stearic acid may also be used to enhance the texture of products. It can add volume and stabilize ingredients such as water and oil. This can help water and oil ingredients from separating.

Sources of stearic acid include animal or vegetable fats/oils such as coconut or shea. It can be naturally found in butter, cocoa butter, shea butter, vegetable fats, and animal tallow.

This ingredient may not be Malassezia folliculitis, or fungal-acne safe.

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.

Studies have found adenosine may also help with wound healing.

In skincare products, Adenosine is usually derived from yeast.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Allantoin is derived from the comfrey plant but produced synthetically for cosmetic products to ensure purity.

Another benefit is the anti-inflammatory abilities. This means that it's great for sensitive, irritation-prone skin.

Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.

Ceramides are an important building block for our skin barrier. A stronger barrier helps the skin look more firm and hydrated. By bolstering the skin ceramides act as a barrier against irritating ingredients. This can help with inflammation as well.

If you would like to eat ceramides, sweet potatoes contain a small amount.

Read more about other common types of ceramides here: Ceramide AP Ceramide EOP Ceramide NP

Ceramide 3 (Retired) is the N-acylated phytosphingosine having the erythro structure that conforms generally to the formula, where m has a value ranging from 12 to 28 in which the acyl moiety may be saturated, mono-unsaturated, or di-unsaturated and n has a value ranging from 10 to 20. The INCI Name, Ceramide 3, originally developed in 1997, was designated with a retired status in 2014. For an interim period of time, trade name assignments formerly published with the INCI Name Ceramide 3 will be retained in the retired monograph, and also published with the new name assignment, Ceramide NP.

It is derived from corn or petroleum with a clear color and no scent.

Antioxidants help fight free-radical molecules. Free-radical molecules are capable of damaging our cells and other genetic material. Antioxidants help stabilize free-radicals by donating extra electrons. This may help reduce the signs of aging.

Calendula Officinalis Extract may help soothe your skin by reducing inflammation. Emerging studies show it inhibits NO production safely, therefore reducing inflammation.

Marigolds have been used in traditional medicine throughout Asia and Europe.

Antioxidant components in chamomile help fight free-radical molecules. These unstable molecules may damage your skin cells. By stabilizing them, antioxidants may help reduce the signs of aging.

Ancient Greeks, Romans, and Egyptians used Chamomile to treat skin redness and dryness. Chamomile has also been used to help with stomach issues.

As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and look more even.

Read more about some other popular AHA's here:

Disodium EDTA is a salt of edetic acid and is found to be safe in cosmetic ingredients.