[You’ll find Part 1: Confused About Skin-Normalizing Vitamin A and its Derivatives? in yesterday’s post.]
1. If one retinoid product doesn’t work for you, another might.
2. Most research indicates that skin improvement when using topical tretinoin is dose dependent. For example, Retin-A 0.05% is significantly more effective than Retin-A 0.01% at:
• Increasing epidermal thickness,
• Increasing granular layer thickness (skin layer beneath the stratum corneum of face and neck),
• Decreasing melanin content, and
• Compacting the stratum corneum.
(Jag Bhawan, MD et al., Arch Dermatol. 1991;127:666-672)
3. OTC retinoid products should be used in the same way as prescription strength products.
• Apply only at night after thorough cleansing and allowing skin to dry completely.
• Ease into a program by applying twice a week to start.
• Watch for the signs listed yesterday to adjust dosage or change product.
• It is generally suggested that retinoids not be used on the very thin skin of the eyelids because of the higher risk of adverse reaction. If you choose to apply a retinoid to the eyelids, be especially vigilant for irritation.
• It is especially important to apply broad spectrum sunscreen with at least SPF 30 every morning, whether you plan to go outdoors or not.
OTC retinoids can be just as irritating to some as Retin-A or Renova. Be extra vigilant with OTC retinoids because you are on your own (without a doctor’s monitoring and advice).
DERMAdoctor Audrey Kunin advises,
"If you are experiencing any flaking [associated with retinoid use], the use of a glycolic acid product such as MD Formulations Continuous Renewal Complex is very helpful for maximizing your skin rejuvenation results as well as controlling the flaking."
Tags: retinoids, retinol, anti-aging skincare, retinoids stimulate new collagen, retinoid strength, retinoid tips, sun protection and retinoids, how to use retinoids
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