Frequently Asked Questions

Product Questions

How do I know which product to choose?

For each area of concern, match the serum that delivers the desired benefits. While we have assigned a ‘best on’ suggestion for each serum, they can be used on any area of the face/body. For example, Bk is very effective on pigmentation and redness and while suggested as an eye serum, can be used as a full-face serum or on trouble skin areas.

Take our skin quiz to see which serum is right for you.

How will my skin react to these products?

Your skin will begin to glow as soon as you start to use the products with desired results visible within the first few weeks. Due to the high potency of the ingredients you may experience a short adjustment period where the skin will detoxify. For some this may cause the skin to break out - if this occurs, continue to use as directed and your skin will rectify itself and be healthier and happier.

What age group are Biologi products created for?

As Biologi is 100% natural, our serums are suitable for all ages, including infants and children.

Do natural ingredients really work?

Yes, they can be very effective. All of our serums are 100% active. They are not diluted, altered, synthesised or manipulated in any way, so they still hold all of the natural benefits.

We are the only company that successfully harnesses the plants internal process and the power of skin-loving phyto- actives. It is not the juice, powder, acid or synthetic equivalent – our serum is the concentrated live force from within the plants cells.

Why is my serum a different colour than when I first received it?

Phyto-actives, particularly Phenolic acid, brown over time - similar to how a cut apple would if left in the open for 5 minutes. Your product will darken over time, but this does not reduce effectiveness of the serum in any way.

Why is my serum a slightly different in colour compared to my last one?

Depending on when the batch of serum was made will determine the colour of the serum - as the product will darken over time. This does not reduce effectiveness of the serum in any way.

What other products can I use in conjunction with my Biologi products?

Biologi is an all-in-one moisturiser, toner, primer, eye cream & anti-aging product. We still recommend you continue to use a cleanser and exfoliator in your skincare routine. Whilst there are UV protective qualities in our serums we still recommend using an SPF.

What is the best way to apply my serum?

It is best to apply Biologi serum onto clean, dry skin by pumping directly onto the area and spreading until absorbed. Night time application is especially beneficial as skin repairs itself during REM sleep.

We recommend the following amounts per area:

eye area - ½ pump
face – 1 pump
face, neck + décolletage - 2 pumps
each body area - 2 pumps

Moisturiser is not necessary after application.

What can I expect when I first start using Biologi serum?

You will notice an immediate change in your skin. At first, your skin will feel dewey upon application. As the serum penetrates and repairs the top layers of skin, it is able to penetrate deeper and continue to be absorbed into the skin - reducing the dewey feeling.

Some people may experience breakouts as the skin adjusts to the level of actives in the serums. After this period of detoxification, your skin will start to glow and look noticeably hydrated. Signs of pigment and redness should start to reduce after 3 weeks, and continue to improve.

Are Biologi products suitable for sensitive skin?

Yes. Irritation generally comes from preservatives, alcohols and perfumes in products. As Biologi is pure plant, there is little chance for irritation.

Why does my skin feel dewey after I have applied the serum?

Skin is likely to feel sticky or dewey for the first few weeks of use. As the product penetrates and repairs the top layers of skin, the serum is able to penetrate deeper and continue to be absorbed into the skin.

Where are Biologi products made?

Biologi products are manufactured in Byron Bay, Australia. All ingredients are sourced from within Australia.

Are Biologi products Vegan?

Yes, our serums are 100% pure plant and we are registered by the Vegan Society.

Will Biologi help reduce dark circles under the eye?

Dark circles appear under the eye area when the layer of skin thins and the blood vessels under the surface become more visible.

A myriad of environmental factors can cause dark circles. Lack of sleep, dehydration, aging, allergies and irritation are the most common, but certainly not the only reasons. Some people simply have the genes that make them more prone to dark circles than others.

To eliminate dark circles, increase the volume of the under-eye area to act as padding between the blood vessels and the surface of the skin. Our Bk serum contains pure natural vitamin C content, which stimulates collagen production and strengthens skin cells making them appear plumper to keep the blood vessels well-hidden.

I have really dry skin, how can Biologi help?

The traditional cure for dry skin is to moisturise. And the more dehydrated your skin gets, the more intensive the recommended product. Unfortunately, intensive products are filled with harsh and abrasive ingredients (even ones labelled ‘natural’ or ‘suitable for sensitive skin’) so the very lotions that are meant to cure dry skin, often end up causing more irritation.

As skin becomes even drier and potentially cracked, the skin is exposed, and you lose even more moisture making the problem worse.

Repairing dry skin is a two-pronged approach.

Firstly, exfoliate dead skin cells which give the appearance of dry skin when left to sit on your body. Next, penetrate the deeper layers of the skin with a hydrating serum that gets to work on hydrating skin cells long before they reach the surface.

The fruit acids in Bf serum offer an enzyme exfoliation. It’s a soft and gentle serum and is water-based which allows for better penetration and hydration.

The Bf hydrating serum is suitable for use all over the body (even on the face) and because it doesn’t contain synthetic ingredients, you can be confident it won’t irritate your sensitive skin and, most importantly…it works!

What product should I use on my oily t zone?

If you have an oily t-zone, you might be hesitant to keep applying harsh products. Your skin is producing enough oil on its own, so more products will only add to the blocked pores.

The critical thing to remember about oily skin is that you need to encourage a regular oil flow rather than stop or block production altogether. Blockages cause breakouts, so you don’t want oil flow to become stagnant. Ordinarily problematic skin types (for example, an oily-t-zone) respond well to low PH products like the fruit acids found in Biologi serums.

The enzyme exfoliation performed by tartaric acid (prominent in Davison Plum – the active ingredient in Bd serum), helps to break down the protein bond that’s stopping your dead skin cells from dropping away. Your skin then cleanses and clears away those blackheads and controls the oil flow. When you use Bd, you’ll find you have the perfect balance of oil flow and hydration to remove the appearance of an oily t-zone.

I've got stubborn pigment, is Biologi the answer?

Pigmentation (light brown spots on your face and body) is caused by angry and inflamed skin which can be due to sun over exposure or hormones. To reduce pigmentation, you must first calm the skin down.

Bd serum contains gallic acid and quercetin which both boast a high anti-inflammatory property, plus it’s our highest antioxidant product. Daily use will reduce existing pigmentation, and the antioxidants will prevent any new pigmentation from forming.

The Biologi serum range contains no synthetic ingredients, no irritating preservatives, and no harsh chemicals. Our serums are made from one natural ingredient and are effective in treating a variety of skincare conditions.

Shipping/Payment/Other Questions

Where is Biologi available?

Purchase Biologi online via our website – we ship worldwide. Selected skin clinics also stock Biologi.

I’ve received my order, but I am not happy with it. Can I exchange, refund or return the item?

Cosmetics are considered sanitary items and do not apply to exchange policy/right to return. Please be sure you choose the right products when ordering. If you have any concernes please contact us before placing your order via

How do I make a complaint? 

We take complaints seriously and will try to resolve any dispute as soon as possible. Customers wishing to complain are encouraged to contact us as soon as possible via

How do I become a retailer?

If you are interested in becoming a retailer of Biologi, contact us directly at