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White wavy lines texture on a surfaceRetinol

Retinol

Commonly known as: Retinol, Vitamin A.
I.N.C.I. list name: Retinol.
Extraction process: Synthesis from a gas, isoprene.
Source: Synthetic.
Botanical name: /
Family: /
Part of the plant extracted: /
Provenance, origin: Germany.
Chemical characteristics: Form of retinoid; Hydrophobic molecule (not soluble in an aqueous environment); Density: approximately 0.9 g/cm3; Miscible in fats; Molecular weight: 286.5 g/mol; pH: 5.5 - 8.0.
Characteristics: Emulsion, colloidal solution, true aqueous solution.
Dosage required in cosmetic products: The SCCS (Scientific Committee on Consumer Safety) recommends a maximum percentage of 0.3% in a non-rinse cosmetic formula and 0.05% in a body lotion. Minimum concentration: 0.01%.
Function: Skin maintenance agent.
Properties: Antioxidant, brightening, lightening/depigmenting, anti-inflammatory, anti-seborrheic, antibacterial, astringent, regenerating, keratolytic.
Benefits: All skin types, particularly mature skin, oily skin, acne-prone skin, skin with acne marks or pigmentation spots, and blemished skin; All hair types, especially those with oily scalps, whether or not they have oily dandruff.

Details

Usage

  • Facial Care (serums, lotions, night creams, masks, peels, eye contours);

  • Body Care (firming serums, hand creams, body creams);

  • Haircare (serums).

Preservation Method

Retinol is sensitive to oxygen, heat, light, and heavy metals. It is unstable in the presence of acids and alkalis. It should be stored in a cool, dry place, at a temperature not exceeding +15°C, and protected from light, moisture, and high temperatures. It should also be shielded from temperatures below 0°C.

Contraindications, Usage Precautions

An active ingredient with potential sensitizing power, which can cause skin dryness, tingling, tightness, discomfort, peeling, redness.... That's why it is not recommended for sensitive and reactive skin. Before using a retinol-based skincare product, perform a skin tolerance test. Apply a few drops of the product in question to the crook of your arm or on your wrist and wait a few seconds. If a significant skin reaction occurs, do not apply the product to your face.

As a precautionary measure, the use of retinoid-based cosmetic treatments during pregnancy and breastfeeding is not recommended.

Retinol is a photosensitizing substance therefore, it is preferable to use it at night. Also remember to apply a broad-spectrum sunscreen during the day and avoid any sun exposure.

Find out more

Vitamin A plays a role in night vision, hence the name "retinol" which is derived from the retina of the eye. In the past, Egyptians used beef liver compresses containing retinol on the eyes of the blind to treat blindness. However, it was not until 1931 that it was first isolated from mackerel liver oil by a Swiss chemist, P. KARRER, and was used for the first time in dermatology in 1943 for the treatment of acne, particularly by promoting cell renewal and exfoliating the skin. This then helps to unclog pores and regulate sebum production. In addition to acting on the surface, it also works in depth. Later, retinol is considered one of the most effective compounds to compensate for the degradation of the skin's support fibers. It has the ability to stimulate collagen, hyaluronic acid, fibroblasts, and elastin for smoother, firmer, and more elastic skin. Moreover, retinol is recognized for its antioxidant virtues that prevent premature aging of skin cells. It also has an effect on the skin's melanin production, helping to reduce the appearance of brown spots that can appear with age.