Retinol News and Research

RSS

Folic acid relies on vitamin A pathway to prevent birth defects

For decades, we've known that folic acid can help prevent serious birth defects of the brain and spinal cord, but we haven't fully understood how it does it.

11 Aug 2026

Cosmetic microneedles deliver actives where creams struggle

This review shows how microneedle-based cosmetic systems bypass the stratum corneum to deliver poorly penetrating actives, including peptides, retinoids, vitamins, niacinamide, hyaluronic acid, and hair-growth compounds, into viable skin layers.

8 Jul 2026

FDA shares safety guidance for people considering microneedling

Being pricked by tiny needles may sound like a strange way to make your skin look better, but that's the concept behind a skin care technique called microneedling.

16 Oct 2025

Scientists test whether chaya leaves can lower blood sugar in diabetes

Researchers reviewed current evidence on the chaya plant (Cnidoscolus chayamansa), highlighting its nutritional profile, hypoglycemic activity in animal models, and potential as a complementary aid for diabetes management. While promising, safety, dosage, and interaction studies remain essential before clinical use.

29 Sep 2025

Sugary drinks increase hair loss risk, scientists warn

A systematic review of 17 studies involving 61,332 participants reveals that vitamin D, iron, and certain foods and supplements play critical roles in hair health. Conversely, sugary drinks, alcohol, and excess vitamin A may worsen hair loss and hair quality.

25 Aug 2025

Promising new male birth control pill could be taken every three days

YCT-529, a novel non-hormonal male contraceptive, demonstrates safety and tolerability in early trials, offering a potential solution for male birth control.

28 Jul 2025

Scientists unveil dynamic structure of protein key to vision

Scientists have for the first time looked deep into the protein structure that may determine our vision - and discovered that it is much more dynamic than previously thought.

4 Apr 2025

Why do some people need supplements and others don’t? New review explains

New research in The New England Journal of Medicine reviews current knowledge on micronutrient requirements, deficiencies, and interventions. It highlights the need for targeted supplementation and calls for advanced research to better diagnose and treat hidden deficiencies.

9 Mar 2025

Hormones may offer new way to treat wrinkles and hair graying

Hormones may be leveraged to treat and prevent signs of aging such as wrinkles and hair graying, according to a new study published in the Endocrine Society journal Endocrine Reviews.

26 Feb 2025

Understanding the process and risks of tattoo removal

Sometimes people get a permanent tattoo then later decide they no longer want it. Life situations change or maybe the tattoo just didn't come out as hoped.

10 Feb 2025

Scientists discover novel compound to combat age-related blindness

Rensselaer Polytechnic Institute's Christopher Cioffi, Ph.D., Thomas and Constance D'Ambra Professor in Organic Chemistry, has been collaborating with Konstantin Petrukhin, Ph.D., Professor of Ophthalmic Science at Colombia University, to develop compounds to treat dry age-related macular degeneration (AMD) and Stargardt disease - both blindness-causing diseases.

28 Oct 2024

How does a vegan diet in pregnancy affect mother and baby?

A systematic review explores the impact of a vegan diet on maternal and fetal outcomes, revealing mixed results on birth weight and nutrient intake, calling for further research.

2 Oct 2024

Everyday products boost sunburn risk

It is well known that the sun's ultraviolet (UV) light can wreak havoc on the skin. But most people don't realize some commonly used products and medications can make us more susceptible to sunburn and other adverse reactions.

6 Aug 2024

Concussions in retired rugby players linked to higher neurodegenerative disease biomarkers

A study in the International Journal of Molecular Sciences reveals that retired rugby players with a history of concussions exhibit significant differences in biomarkers associated with neurodegenerative diseases compared to non-contact sports participants.

21 Jul 2024

Concussion history in rugby players linked to higher levels of neurodegenerative disease biomarkers

Retired rugby players who have suffered multiple concussions have higher levels of certain proteins in their blood, which may make them more prone to developing diseases such as motor neurone disease (MND), according to a new study.

17 Jul 2024

Low-fat diets significantly reduce lung cancer risk in older adults, study finds

Study found that adhering to low-fat diets significantly reduces lung cancer risk in older adults, with the most substantial benefits observed in current smokers. High consumption of saturated fats was linked to increased lung cancer risk, particularly for small-cell lung cancer.

20 May 2024

Eating your way to less stress: Mediterranean diet linked to lower stress in Korean baby boomers

Study highlights a significant association between higher adherence to the Mediterranean diet and lower psychosocial stress levels among Korean baby boomers, suggesting dietary patterns as a modifiable risk factor for stress management in aging populations.

10 Apr 2024