Acid is an active ingredient that tackles different skin concerns according to its strengths. They are easily absorbed by the skin when applied as a serum directly on the concerned area. Due to their molecular size, acids can easily penetrate the skin and resolve the skin problem at a faster pace compared to lotions and creams.

There are various types of acids available in the market to tackle specific skin corners and skin types. They help in gentle skin exfoliation along with increasing cell turnover and unclogging pores. To find out which acid is suitable for you, first determine your skin type, and your skin concern, and look for the acids that tackle those specific issues.
When to Use Acids in Skin Care Routine?
Acids can be used to tackle various skin issues such as acne breakout, hyperpigmentation, dark spots, and acne spots, boost collagen production, reverse the signs of early aging, and even protect environmental output. It can be applied directly on the skin as a topical application or can be used in creams & lotions and peels as well. The best time to apply acids is at night time for the skin to absorb and properly reap its benefits. There are various types of acids available in the market to suit all skin types and specific needs as well.
Best 6 Acids For Skin Whitening
Most of the acids are suitable for all skin types. However, you can go through the below list to see which type of acid is best for you.
1. Glycolic Acid For Skin Lightening
Glycolic acid is another AHA derived from sugarcane. It is mostly used in the treatment of acne and frequent breakouts. It can be directly used on the skin as it penetrates the layers and removes the dull and dead skin.
It retains moisture in the skin without letting it dry out. It has antibacterial and antioxidant properties which support collagen production enhancing skin elasticity.
2. Kojic Acid For Skin Brightening
Originated from various types of fungi by fermenting foods like soy sauce, rice wine, and Japanese sake. Kojic acid is popular amongst skin care formulators and the cosmetics industry for its skin-lightening properties and hyperpigmentation.
It has antibacterial properties which help in fighting bacteria from the skin’s surface and reducing acne breakout to a significant level. It can also be used to treat conditions like athlete’s foot, candidiasis, and ringworms.
3. Salicylic Acid For Skin Lightening
It is also used to reduce acne by topical application as it can be easily absorbed by the skin. Salicylic acid penetrates deep into the skin without clogging pores as it also helps in unclogging them by removing dirt, grime, and excess sebum.
It also works to remove whiteheads, blackheads, dark spots, and acne spots. It is recommended to use at moderate levels as excess use could lead to irritated and dry skin.
4. Amino Acid For Skin Whitening
This acid can be easily found in many skin care products. It is highly recognizable by the people due to the benefits it provides. It helps maintain the skin’s hydration, resilience, texture, and overall appearance.
Amino acid helps to boost collagen production which leads to enhanced skin elasticity. It reverses the signs of early aging making you appear younger. It can be easily applied on the skin topically in a cream, lotion, or as a serum.
5. Tranexamic Acid For Skin Brightening
Tranexamic acid is suitable for all skin types and is highly used to treat hyperpigmentation and discoloration. When applied directly on the skin, it is known to change the way skin produces melanin.
Melanin is a pigment that gives skin its color whether it is dark or light, it depends on the production of melanin. It creates a barrier around the skin protecting it from environmental pollution while locking in the moisture.
6. Lactic Acid For Skin Lightening
It is derived from milk and is mostly used for cosmetic and pharmaceutical purposes. It works great for the reduction in pigmentation and anti-aging formula. It is an important ingredient in chemical peel especially for sensitive skin.
Lactic acid works as a gentle exfoliator revealing a smoother and brighter skin tone. However, constant use of lactic acid can lead to sun damage as it makes skin more vulnerable.
7. Hyaluronic Acid for Glowing Skin
Hyaluronic acid, a naturally occurring substance in connective tissues, provides skin structure and integrity. As we age, HA can cause aging symptoms, necessitating topical application. HA is a powerful humectant that absorbs moisture, keeps the skin moisturized, improves elasticity, minimizes wrinkles and fine lines, and promotes faster wound healing. People also use it to treat skin problems like eczema. While it can lighten skin tone, it is not known for its whitening properties. Hyaluronic acid acts as a protective barrier against external factors.
8. Azelaic Acid for skin Brightning
Azelaic acid, an organic acid from cereals like barley, wheat, and rye, is known for its antibacterial and anti-inflammatory properties, aiding in treating skin diseases like acne and rosacea. It cleans pores, increases cell turnover, promotes wound healing, and reduces scarring. It also helps treat hyperpigmentation and lightens dark spots. However, it can cause adverse effects like burning, tingling, skin peeling, dryness, and redness. Azelaic acid also acts as a skin-whitening agent.
9. Mandelic Acid for Skin Whitning
Mandelic acid, derived from bitter almonds, is beneficial for sensitive skin due to its ability to increase cell turnover, promote collagen synthesis, and cure acne. It also has anti-inflammatory properties, minimizing pimples and blemishes. Mandelic acid smooths the skin by removing dull cells, revealing a brighter layer, and reducing hyperpigmentation. It also promotes collagen formation, reducing wrinkles and fine lines. When combined with other skincare products, it enhances overall skin appearance, including skin brightening.
10. Ferulic Acid for Skin
Ferulic acid, a plant-based antioxidant found in oats, rice, eggplants, and citrus fruits, is a powerful antioxidant that fights free radicals in the skin, improves the function of vitamins C, A, and E, and helps maintain vitamin C levels. It reduces skin cancer risk and is generally safe for the skin but may trigger hypersensitivity reactions in some individuals. Ferulic acid can lighten skin and minimize hyperpigmentation.
11. Malic Acid for Brighter Skin
Malic acid, derived from apple juice, is an Alpha Hydroxy acid that exfoliates dull skin, promotes cell renewal, and provides a youthful appearance. It draws moisture, enhances skin hydration, reduces wrinkles, and leaves a smoother texture. It also balances pH levels, helps fade acne scars and prevents pimples. As a gentler alpha hydroxy acid (AHA), it brightens, smooths, and moisturizes the complexion, working across various skin types and tones.
Conclusion
These acids help brighten the skin to a significant level and even out skin tone. It is essential to follow a healthy diet and exercise regularly to keep a healthy lifestyle and to support your skin. You also need to follow a skincare routine by applying moisturizer, sunscreen, and serum. Apply acids for a certain period twice a day to see the changes.