While a little sunlight exposure is a requisite for vitamin D formation and healthy skin and bones, excessive sun exposure and not wearing an effective SPF daily can lead to premature skin ageing such as wrinkles, hyperpigmentation and even skin cancer. While the summer season is where sunlight exposure is highest, it is important to wear an effective cosmeceutical sunscreen all year round as UVA and UVB rays are still able to penetrate the skin and cause damage.
One of the best anti ageing tips is to wear sunscreen, as reversing sun damage can take many treatments to restore the skin back to its optimum appearance and health.
How does the sun affect the skin?
UVA and UVB rays from the sun is a form of ultraviolet (UV) radiation; this form of radiation can damage the DNA within cells causing genetic mutations and disrupt the control of cell production. Photoageing is thought to occur due to UVA radiation damaging the keratinocyte cells of the skin. Keratinocytes are critical to skin renewal and healthy skin. Similarly, UVB rays are responsible for burning and reddening of the skin, and affect the superficial epidermis; also playing a role in skin cancer development and photoageing.
What are the long term adverse signs of sun damage?
In general, there are a few signs that your skin has been over exposed to UVA-UVB rays:
- Age spots
- Reduced skin elasticity
- Changes in skin texture and more dry skin
- Development of skin cancers such as Basal cell carcinoma, squamous cell carcinoma and melanoma.
- Increased collagen breakdown and loss of structural integrity of the skin manifesting as prematurely sagging skin
- Premature lines and wrinkles
An image showing a gentleman who worked as a lorry driver, one side of his face is significantly aged due to UVA exposure on one side while driving
(Source http://www.huffingtonpost.ca/2012/06/06/bill-mcelligott-sun-damage_n_1573546.html from a study by The New England Journal of Medicine http://www.nejm.org/doi/full/10.1056/NEJMicm1104059)
How can sun damage be prevented?
Thankfully, the majority of sun damage is preventable. Taking several precautions such as staying out of direct sunlight, avoiding tanning beds and wearing an effective broad spectrum sunscreen daily can help prevent sun damage and photoageing. At Revivify London, we recommend the ZO skin health sun Occlipse range. Renowned dermatologist Dr. Zein Obagi has developed a range of cosmeceutical sun protection products that not only shield the skin from radiation but fortifies the skin to boost its natural defence mechanisms against UVA-UVB radiation.
How does ZO Occlipse Broad spectrum sunscreen work?
Formulated to screen and strengthen the skin and with a rich antioxidant complex and skin conditioners, the ZO Occlipse range contains ingredients to protect the skin in a variety of ways:
- Phosphate, Panthenyl Triactate, Ethyl Linoleate & Tocopherol help to provide DNA protection and encourage the repair of damaged DNA
- Tocopheryl Acetate and Ascorbic Acid (vitamin C) provides antioxidant protection and inhibits pigment formation
- Argania Spinosa Kernel Oil; which aids in lipid repair and improving skin condition
- Fractionated Melanin helps shield the skin from high-energy visible (HEV) light
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