Retinal

Also known as:  All-Trans Retinal;  All-Trans-Retinaldehyde;  Retinaldehyde;  Retinene;  Retinene-1;  Retrinal;  Trans-Retinal;  Trans-Retinaldehyde;  Vitamin A Aldehyde

Retinal is an important form of Vitamin A that is the Aldehyde form of Retinol.

Eyes/Vision

 Retinal is the form of Vitamin A that is most important for the Sight functions associated with Vitamin A:

 Retinal is converted to 11-cis Retinal (by the Retinal Isomerase enzyme).

 This 11-cis-Retinal is the immediate precursor for the production of Rhodopsin and Iodopsins.

Immune System

 Retinal (applied topically) may kill Propionibacterium acnes.  ^[1]

Oral Health

 Retinal (gel applied topically) may facilitate the regression of Leukoplakia.  ^[2]

Skin

 Retinal (applied topically) may alleviate Acne.  ^[3]

 Retinal (applied topically in the form of cream containing 0.05% Retinal) may alleviate Rosacea.  ^[4]

 Retinal (applied topically in the form of cream containing 0.05% Retinal) may alleviate Dermatitis - Seborrheic. 

 Retinal (applied topically) may help to counteract the Aging Process (including photoaging) in the Skin:  ^[5]

 Retinal (applied topically) may inhibit the ability of UV-A to damage the Dermis.  ^[6]

 Retinal (applied topically) may increase the thickness of the Epidermis.  ^[7]

 Retinal (applied topically) may help to prevent Sunburn.  ^[8]

 Retinal (applied topically in the form of cream containing 0.05% Retinal) may reduce Wrinkles.  ^[9]

Carbohydrates

 Retinal (applied topically) may increase Hyaluronic Acid levels in the Skin and may inhibit Sunlight-induced reductions in the Skin’s Hyaluronic Acid levels.  ^[10]