Vitamin C is one of the most researched ingredients in skincare. It helps fade post-acne marks, brightens dull skin, supports collagen production and protects against damage caused by pollution and UV exposure. With regular use, it can improve skin tone and texture while giving the complexion a brighter appearance.

Not every vitamin C serum performs the same way. The ingredient is naturally unstable, and some formulas lose their effectiveness before the bottle is finished. Dermatologists recommend choosing products with stable forms of vitamin C, protective packaging and antioxidants such as vitamin E or ferulic acid to help maintain potency.

Here are four vitamin C serums that are consistently recommended by dermatologists and beauty editors.

SkinCeuticals C E Ferulic

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SkinCeuticals C E Ferulic is consistently recommended by dermatologists and beauty editors. It contains 15% pure L-ascorbic acid, vitamin E and ferulic acid, a combination supported by extensive research.

The formula helps improve uneven skin tone, fine lines and loss of firmness while providing antioxidant protection throughout the day. Although it is a premium-priced product, it is widely regarded as one of the leading vitamin C serums available. It is suitable for most skin types, especially those looking to address early signs of ageing and persistent pigmentation.

La Roche-Posay Pure Vitamin C10 Serum

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La Roche-Posay Pure Vitamin C10 Serum is formulated for sensitive or reactive skin. It combines 10% pure vitamin C with ingredients that help improve skin texture without causing unnecessary irritation.

The lightweight serum absorbs quickly and works well under moisturiser and sunscreen. Regular use can smooth rough patches, brighten dull skin and gradually reduce the appearance of dark spots. It is also a suitable choice for anyone introducing vitamin C into their skincare routine.

Paula’s Choice C15 Super Booster

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Paula’s Choice C15 Super Booster contains 15% vitamin C, vitamin E and ferulic acid in a lightweight formula. It also includes ingredients that help keep the skin hydrated.

The serum layers well with other skincare products and is often used to address post-acne marks, uneven skin tone and dullness. It absorbs quickly without leaving a sticky finish, making it suitable for combination and oily skin.

CeraVe Skin Renewing Vitamin C Serum

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CeraVe Skin Renewing Vitamin C Serum is a budget-friendly option. It contains 10% pure vitamin C together with ceramides and hyaluronic acid, which help support the skin barrier while providing hydration.

The fragrance-free formula is suitable for many skin types, including dry and sensitive skin. Alongside its brightening benefits, it helps maintain moisture levels, making it suitable for daily use, particularly for people who experience dryness when using active skincare ingredients.

Apply a vitamin C serum in the morning after cleansing and before moisturiser, then finish with a broad-spectrum sunscreen. Vitamin C works well with SPF by helping protect the skin against environmental damage while supporting a brighter, more even-looking complexion. Daily use is more important than choosing the highest vitamin C concentration, and visible improvements usually come with consistent application over time.

Most people give their underarms attention for less than a minute each day. A quick swipe of deodorant, and that’s the end of the routine. But dermatologists increasingly recommend treating your underarms as part of your skincare routine. Interest in underarm skincare has grown, with more consumers looking beyond deodorants to address irritation, uneven skin tone and razor bumps.

The skin under your arms is thinner than many other parts of your body. Constant friction from clothing, repeated shaving or waxing, sweat and ingredients found in personal care products can leave the area feeling dry, itchy or darker than nearby skin. Simply masking body odour does little to deal with these everyday concerns.

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A better approach starts in the shower. Washing your underarms with a gentle cleanser removes sweat, bacteria and product build-up that ordinary rinsing may leave behind. This matters because fresh sweat has very little smell. The familiar body odour develops when bacteria on the skin break down sweat. Clean skin gives deodorant or antiperspirant a better chance of doing its job.

Exfoliation is another step many people overlook. Dead skin cells, trapped deodorant residue and clogged pores can leave the skin rough and uneven. A mild chemical exfoliant used once or twice a week can help smooth the area without the harsh scrubbing that often causes more irritation. Overdoing it, however, may irritate the skin and make sensitivity worse.

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Shaving habits also deserve attention. Using a blunt razor or shaving dry skin creates tiny cuts that may lead to irritation and ingrown hairs. A clean, sharp razor, combined with a shaving cream or gel, reduces friction and helps reduce irritation while shaving. If your underarms feel irritated afterwards, allowing the skin to recover before applying heavily fragranced products can help minimise discomfort.

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Hydration is just as important here as it is on your face or legs. While underarms do not usually need daily moisturising, applying a fragrance-free moisturiser after shaving or whenever the area feels dry can help protect the skin and reduce tightness. For people with sensitive skin, choosing products without added fragrance may lower the risk of irritation.

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Choosing between a deodorant and an antiperspirant also depends on your needs. Deodorants target odour by reducing or masking the bacteria responsible for unpleasant smells, while antiperspirants reduce sweating by temporarily blocking sweat glands. People who experience excessive sweating may benefit from antiperspirants, while others may only need odour protection. Dermatologists also note that antiperspirants tend to work best when applied at night because sweat production is lower while you sleep.

Dark underarms are another common concern, but they rarely have a single cause. Repeated friction, shaving, irritation, hormonal changes and certain skin conditions can all play a role. Results usually take time. Products promising instant lightening should be approached with caution. Consistent skincare, reducing irritation and seeking medical advice when pigmentation changes suddenly are safer long-term strategies.

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Looking after your underarms is not about chasing perfection. Healthy skin can have texture, visible hair follicles and natural colour variations. The goal is comfort and healthier skin. Deodorant remains an important part of personal care, but it should not be the only step. A few extra minutes each week can help improve how your underarms look, feel and respond to daily wear.

Facial skincare routines have received far more attention than underarm care. People are now applying similar skincare habits to their underarms. Looking after your underarms is a practical part of maintaining healthy skin.

Interest in skincare among children and teenagers has grown rapidly in recent years. Social media, influencer recommendations and colourful packaging have encouraged many young people to treat skincare as a trend instead of focusing on healthy skin. As a result, many are using products developed for adults without understanding how they affect younger skin.

Dermatologists have raised concerns about this growing habit. While basic skincare can benefit young people, many adult products contain active ingredients that are unnecessary and may irritate developing skin.

Young Skin Needs a Different Approach

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Children’s and teenagers’ skin has different needs from adult skin. Its protective barrier is still developing, making it more vulnerable to irritation and moisture loss. Hormonal changes during adolescence can also make skin more prone to excess oil and breakouts.

Using strong active ingredients too early or too often can leave the skin dry, red and sensitive instead of improving it.

Ingredients to Watch

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One of the biggest concerns is the growing use of anti-ageing products by children and young teenagers.

Retinol and other retinoids are designed to treat signs of ageing but can cause peeling, dryness and increased sensitivity to sunlight. Unless prescribed by a dermatologist for acne, they are generally unnecessary for young skin.

Chemical exfoliants, including alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs), can weaken the skin barrier when overused, leading to irritation and peeling.

Highly concentrated vitamin C products may also irritate sensitive skin, particularly when combined with other active ingredients. Fragrances and essential oils can trigger allergic reactions or skin irritation in some children and teenagers.

When Trends Replace Good Advice

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Many viral skincare routines feature six or more products layered together. Young viewers often copy these routines without understanding whether the ingredients are suitable for their age or skin type.

More products do not automatically mean healthier skin. In fact, overloading the skin with active ingredients can damage its protective barrier and make existing problems worse.

Keep It Simple

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For most children, a gentle cleanser, a fragrance-free moisturiser and daily sunscreen are enough to maintain healthy skin. Teenagers with acne or persistent skin concerns should seek advice from a healthcare professional or dermatologist instead of relying on social media recommendations.

Warning signs that a routine is too harsh include persistent redness, burning, peeling, itching, increased sensitivity or worsening breakouts. If these symptoms develop, stop using the products and seek professional advice.

The Bottom Line

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Skincare trends change quickly, but young skin does not need powerful anti-ageing products or lengthy routines. Products made for adults are designed to address concerns that children simply do not have, and using them too early can do more harm than good.

A simple routine centred on gentle cleansing, moisturising and daily sun protection is usually the safest choice. Building healthy skincare habits early is far more valuable than following the latest beauty trend.