Sensitive skin should use fragrance free skincare products. Some ingredients compound may irritate the skin also some low molecular weight alcohols r remove natural oil from the skin and makes skin dry. Harsh scrubs can cause low level of inflammation to the outermost layer of skin that cannot be seen by naked eyes
What is meant by ''Avoid To Use Some Ingredients Combo''?
Skin layer act as barrier to protect skin from environmental stress, loss moisture level, Mix with product application.
Sensitive is already so sensitive and when you apply products wrongly. Some ingredients may settle in skin but some cause irritation and disrupt barrier.
It's important to know about how ingredients pair works, how these ingredients work in skin biology, interact with skin biology instead of just relay on ingredients lists and relay on that lists.
1. Man made fragrances
Why Use Carefully?
Man made fragrances doesn't support skin barrier support, hydration rather these manufactured fragrances disrupt barrier balance causing skin sensitivity and irritation.
Evidence
Some studies suggested that fragrances based products in sensitive skin or with compromised barrier roles, it increase the risk of irritation, allergic issues.
Choose better products
labeled ''fragrance free'' or those using natural calming botanicals (like chamomile or Centella) that are less likely to irritate.
2. Alcohols with a lot of strength (dying solvents)
Why Use Carefully?
Isopropyl alcohol and diluted alcohol are used for instant dry and structure but these alcohols can remove the natural oil from skin and may weaken the skin barrier.
Evidence
Small biomolecules alcohols eventually increase the trasepidermal water loss(TEWL) means remove natural oils and may lead to the dry skin , irritation.
Choices For Alternatives
- Glycerin
- hyaluronic acid
- ceramides provide hydration without barrier disruption.
3. Acids that over exfoliate (high concentrations of AHA and BHA)
Why Use Carefully?
AHA'S and BHA's For examples glycolic acid, salicylic acid.
can help improve texture however, excessive use or high concentrations can cause
- irritation
- sensitivity
- barrier damage.
Evidence
Research indicate that over exfoliation cause redness, itchiness, barrier disrupt but mild exfoliation with assured formulations can be effective to use
How to Safely use?
Use lower concentrations and limit frequency (2-3 times per week), especially for sensitive skin
4. Strong Retinoids Without Support from Barriers
Why Use Carefully?
Retinoids are powerful anti-oxidants used to improve skin texture, reduce fine lines, wrinkles, acne. But due to potent efficiency it can make skin dry, irritated and if skin barrier is weak it can disrupt barrier.
Evidence
Some evidences shows because of retinoids strong potent , it increase the cell turnover process. if moisturizer doesn't apply after apply retinol, it can disrupt barrier temporary.
Recommended Routine
If using retinoids,
- Use at night.
- use gentle, mild cleanser
- use ceramides, moisture retain ingredients based moisturizer
5. Harsh Scrubs
Why Use Carefully?
Scrubs that contain large, rough particles (sugar crystals)can cause microtears in skin if these scrubs use continually.
Evidence
Repeated mechanical abrasion can weaken barrier function and increase susceptibility to irritation.
More lenient Approach
Chemical exfoliation with mild strengths acid can safe to use and can easy to tolerate depend on skin.
How to know, what ingredients is right for skin?
Skin differs greatly,
- Sensitive or dry skin
could profit from
- Barrier supporting ingredients (ceramides, glycerin)
- Very little scent
- Actives with low concentrations
Take care when,
- high levels of alcohol
- abrasive acids
- High strength retinoids
- Acne Prone or Oily skin
could profit from
- Use Salicylic Acid
- Emollients like squalane is suitable for acne skin
Take care when,
- Heavy occlusive
- Oils that clog pores or are sugary
- Combination Skin Types
Prior to full use,
- focus on formulations that are balanced and patch testing.
What Dermatologists Discuss about Active Ingredient Combination?
Simultaneously use multiple active ingredients of high strength can make skin barrier stress which lead to inflammation. Interpret by Director of Cosmetic Dermatology Joyce Imahiyerobo-IP from Cornell University, She's specialized in surgical, cosmetic dermatology.
The skin may have trouble balancing itself when several potent actives are used together. This may result in:
- a temporary break in the barrier
- Anxiety and redness
- sensations of burning or stinging sensitivity that has grown over time
In some cases, combining certain actives may also reduce how well each ingredient performs. Using many different exfoliating products simultaneously or use them with retinoids in skin, can difficult for skin to tolerate them.
Why Combining Ingredients is important ?
Ingredients mixing can increase the effectiveness but some ingredient combo can irritate the skin. It's important to understand ingredients work interact with skin.
Ingredient mixing is best for skin when they,
- Introduced gradually
- When used at the right strengths
- paired with products that help maintain the barrier, like moisturizers
- incorporated into regimens that give the skin time to adjust
This section explains why ingredient combo can maintain skin barrier, increase effectiveness and how safely use some active ingredients together.
Use ingredients together can make visible positive results but some ingredients can irritate skin.
Consistency is matter in skincare, skincare needs right efficiency, mix right ingredients together to helps maintain healthy, youthful skin.
1. Retinol+ Vitamin C
How they act?
- Vitamin C is known as Ascorbic Acid, is anti-oxidants that know for it's supporting skin brightness, improve skin collagen, fades spots, improve skin texture.
- Vitamin A is known as Retinoids a powerful anti-oxidants. It works by increasing skin cells turnover process, helps remove fine lines, wrinkles, reduce premature aging.
Why Retinol +Vitamin C combination Can irritate?
Because bot are strong, powerful active ingredients. Using both together at once can irritate skin, makes skin sensitive or dry
Both works better when used in alterative routines because Retinol works best at natural pH and Vitamin C works best at low pH conditions.
A routine, safer approach
- morning
Vitamin C in the morning
- Night Routine use
Use the at different routines helps, In a day it support protection from antibacterial and at night it support skin renew process without stress barrier.
2. Retinol+ Benzoyl Peroxide
How they act?
Benzoyl Peroxide contain anti-inflammatory properties, it kill bacteria that can cause bacteria.
Retinol helps improve uneven texture, reduce fine lines, wrinkles, acne, premature aging.
Why combining them can be problematic?
Benzoyl peroxide is an oxidizing agent and can deactivate retinol when layered together.
The likelihood of dryness, peeling, and redness is also increased when both are used concurrently.
A routine, safer approach
- morning
Benzoyl peroxide in the morning (for acne treatment)
- At night,
Retinol
Important to know that.
To avoid any irritation or reduce irritation use both ingredients at alternative days. If you have acne prone skin or sensitive skin.
3. Niacinamide+ Vitamin C
How they act?
- Niacinamide is a form of B3 Vitamin. It helps fades open pores, improve uneven skin tone.
- Vitamin C is known as Ascorbic acid, have anti-oxidants properties helps to brighten skin tone, fades spots.
Some skin types can get irritation from these ingredients combo, issue is some skin is tolerated to active ingredients while some skin is not well tolerated to active ingredients . Besides the fact that, These two ingredients can safely combined by modern formulation. These ingredients can still caustic in some skin types when use in high concentration.
A routine, safer approach
- morning
Vitamin C in the morning
- at night
Niacinamide at night
It's important to be cautious , it's better to use both ingredients separately even both ingredients combination works effectively.
4. Retinol+ AHAs, BHAs (Salicylic Acid, Glycolic Acid, Lactic Acid)
How they act?
- AHAs, BHAs exfoliants get rid of dead skin cells, helps get better skin texture.
- Retinol known as powerful anti-oxidant helps increase the cell turnover process, improve fine lines, wrinkles, reduce premature aging.
Why using them together can strain the skin barrier?
Retinols and exfoliants increase the skin cell turn over process. Use both together can disturb skin barrier because of two active ingredients . Long term it can led to skin dryness, itchiness, sensitivity . It's better to use them separately.
A routine, safer approach
- 2-3 nights per week, use AHAs or BHAs.
- Use retinol on separate nights
It can disrupt skin barrier or compromise skin barrier if use in alternative routines.
5. Glycolic Acid/Lactic Acid with Salicylic Acid
How they act?
- Salicylic acid work best on oily skin , clogged pores, helps remove blackheads.
- Glycolic acid, lactic acid improve skin texture, disappear discoloration, skin dullness.
Using more tan one exfoliants can weaken skin barrier, removes natural oil, causing irritation, breakouts in skin. This mostly happens in acne prone and sensitive skin tones.
A routine, safer approach
- For oily skin and acne prone skin salicylic acid is best to use.
- Glycolic acid and lactic acid is best for skin dullness issue, skin texture.
- Use them at alternative routines.
How to safely use them in skincare routine?
- Use one active ingredient at a time.
- Apply moisturizer to support skin barrier
- To avoid irritation don't use too much .
- Sunscreen is important if use active ingredients in routines.
- Patch test is important before use any new product.
Are all natural ingredients harmless?
No. it doesn't, not all natural ingredients are safe. Some essential oils can be irritated to some people. Always patch test.
Can I use multiple actives simultaneously?
Usually not. Start with only one active ingredient all time. Irritation can occur by using strong active ingredients together
Is every perfume harmful?
No. Mild and hypoallergenic ingredients based formulation is harmless but some synthetic fragrance can be irritated for skin.
Can skin irritation caused by all acids?
Necessarily not. 0.5-2% low concentration salicylic acid can't be irritated. Exfoliants can't be irritated if used them correctly.
Is irritation symbol of indicative of product effectiveness?
No. Stress Skin barrier can cause burning, redness, peeling off skin, it doesn't indicate product effectiveness.
How frequently ought to actives be used?
This is dependent on tolerance and type of skin. If the skin remains calm, most people benefit from starting 2-3 times per week and gradually increasing.
In the End
When use actives always makes sure to wear your sunscreen and reapply it after 2 hour's . Sunscreen Benefits This article explains sunscreen benefits with dermatologist opinions.
Thank You